Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.34 to $1.37 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 2.2%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
Supported by the available observations, but not a guaranteed sale price.
$18.46
Guide Estimate
0%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $18.46, based on Guide Estimate.
Source date not available
Guide Estimate: $18.46. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $18.46 to $18.46 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$20.41
Guide Estimate
+5.4%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $20.41, based on Guide Estimate.
Source date not available
Guide Estimate: $20.41. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $19.37 to $20.41 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 5.4%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$53.01
Guide Estimate
+1.1%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $53.01, based on Guide Estimate.
Source date not available
Guide Estimate: $53.01. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $52.43 to $53.01 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 1.1%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$190.00
Guide Estimate
+8%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $190.00, based on Guide Estimate.
Source date not available
Guide Estimate: $190.00. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $176.00 to $190.00 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 8%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$88.00
Guide Estimate
+8.6%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $88.00, based on Guide Estimate.
Source date not available
Guide Estimate: $88.00. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $81.00 to $88.00 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 8.6%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$146.30
Guide Estimate
+7.9%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $146.30, based on Guide Estimate.
Source date not available
Guide Estimate: $146.30. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $135.63 to $146.30 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 7.9%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$88.00
Guide Estimate
+8.6%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $88.00, based on Guide Estimate.
Source date not available
Guide Estimate: $88.00. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $81.00 to $88.00 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 8.6%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$1.37
Source
Guide Estimate
Trend
+2.2%
Price Details
Based on Aggregated Price Guide
Estimate: $1.37, based on Guide Estimate.
Source date not available
Guide Estimate: $1.37. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.34 to $1.37 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 2.2%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
Supported by the available observations, but not a guaranteed sale price.
$18.46
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $18.46, based on Guide Estimate.
Source date not available
Guide Estimate: $18.46. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $18.46 to $18.46 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$20.41
Source
Guide Estimate
Trend
+5.4%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $20.41, based on Guide Estimate.
Source date not available
Guide Estimate: $20.41. Evidence date not available.
Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $19.37 to $20.41 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 5.4%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$53.01
Source
Guide Estimate
Trend
+1.1%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $53.01, based on Guide Estimate.
Source date not available
Guide Estimate: $53.01. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $52.43 to $53.01 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 1.1%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$190.00
Source
Guide Estimate
Trend
+8%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $190.00, based on Guide Estimate.
Source date not available
Guide Estimate: $190.00. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $176.00 to $190.00 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 8%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$88.00
Source
Guide Estimate
Trend
+8.6%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $88.00, based on Guide Estimate.
Source date not available
Guide Estimate: $88.00. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $81.00 to $88.00 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 8.6%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$146.30
Source
Guide Estimate
Trend
+7.9%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $146.30, based on Guide Estimate.
Source date not available
Guide Estimate: $146.30. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $135.63 to $146.30 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 7.9%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$88.00
Source
Guide Estimate
Trend
+8.6%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $88.00, based on Guide Estimate.
Source date not available
Guide Estimate: $88.00. Evidence date not available.
This estimate is older and may not reflect today's market.
Over the last 30 days, stored prices ranged from $81.00 to $88.00 across 2 capture days. Change between Sep 1, 2026 and Sep 18, 2026: 8.6%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
Below grade 10 the guide publishes one estimate across all graders, so these rows are not PSA, BGS, CGC or SGC prices, and a low slabbed grade can sit below a clean raw copy. Grade 10 is estimated per grader.
Each point is the last stored observation that day for this printing, condition, grader, autograph status and source. Gaps mean no observation; guide estimates and asking prices are not completed sales.
Product Overview
Description
The 1978 Topps Gary Thomasson #648 card stands as a definitive entry for collectors tracking the San Francisco Giants roster of the late 1970s. As a standard issue from the iconic 1978 Topps baseball set, this card features Thomasson in his Giants uniform, representing his role as a key infielder during that specific season. The 1978 Topps brand remains one of the most recognizable and widely collected sets in sports card history, known for its distinct design and comprehensive player coverage.
For enthusiasts focusing on San Francisco Giants memorabilia, this card serves as an essential component for those building era-specific collections. Gary Thomasson’s tenure with the Giants is well-documented, making his appearances in major sets like this highly relevant for historians and hobbyists alike. The #648 designation places this card within the sequential numbering of the set, allowing collectors to easily identify its place in the broader catalog.
Collecting from the 1978 Topps release offers a tangible connection to the sport's past, with each card reflecting the graphic design trends and player photography standards of the time. Whether you are completing a team set or focusing on individual player milestones, the Gary Thomasson #648 card provides a solid foundation for any serious baseball collection. Its enduring popularity ensures that it remains a sought-after item for those who value the heritage of the game and the brands that documented it.
Last Listing Activity
9/17/26
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Product Specs
Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Estimated delivery October 2, 2026 - October 4, 2026
Collector Ownership
Owned by Collectors
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0 collectors have this card
SuperCatch Expert Analysis
Market Value Insight
This 1978 Topps Gary Thomasson card represents a baseline entry point for collectors focusing on the San Francisco Giants or 1970s baseball era, currently trading at a modest valuation relative to higher-tier vintage issues. The absence of special attributes or grading notes suggests it exists in raw condition, placing it in the lower price tier of Thomasson's overall portfolio. Its current market positioning reflects a steady, accessible liquidity range rather than premium collector demand.
Rarity Breakdown
As a standard base card from the 1978 Topps set, this item carries no serial numbering, short-print status, or parallel variations that would artificially constrain supply. The scarcity is driven solely by the natural attrition of high-volume production runs from nearly five decades ago, meaning the available population remains relatively high compared to limited-edition releases. Consequently, the card lacks the structural rarity mechanics that typically drive significant value appreciation in vintage sports markets.
Investment Outlook
The investment potential is limited by the card's status as a common base issue, which typically sees slower appreciation compared to rookie cards or key parallels. Demand is primarily driven by general set-building needs for 1970s baseball completists rather than speculative interest in the player's career trajectory. Collectors should view this as a low-risk, low-reward acquisition suitable for filling gaps in a broader vintage collection rather than a standalone growth asset.
