The 1987 Topps Ken Phelps #333 is a standard issue baseball card featuring the Seattle Mariners player. This catalog-level listing represents the specific card number from the 1987 Topps set.
Estimated delivery October 3, 2026 - October 5, 2026
30-day Returns
Market & Price History
Prices Captured Sep 16, 2026
Condition
Value
Source
Trend
Price Details
$1.25As of 9/15/2026
Asking Prices
0%
Based on eBay Active Listings · 19 observations
Estimate: $1.25, based on Asking Prices.
Source date not availableAsking prices are unsold offers, not completed sales. Repeated observations do not establish additional buyer demand.Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.25 to $1.25 across 2 capture days. Change between Aug 31, 2026 and Sep 16, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$1.99As of 9/15/2026
Guide Estimate
0%
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $1.99, based on Guide Estimate.
Source date not availableSupported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.99 to $1.99 across 2 capture days. Change between Aug 31, 2026 and Sep 16, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$1.25As of 9/15/2026
Source
Asking Prices
Trend
0%
Price Details
Based on eBay Active Listings · 19 observations
Estimate: $1.25, based on Asking Prices.
Source date not availableAsking prices are unsold offers, not completed sales. Repeated observations do not establish additional buyer demand.Supported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.25 to $1.25 across 2 capture days. Change between Aug 31, 2026 and Sep 16, 2026: 0%. Compares the same source, grade and signed status. Capture days are not completed-sale counts.
$1.99As of 9/15/2026
Source
Guide Estimate
Trend
0%
Price Details
Based on Aggregated Price GuideGuide grade mapping; not verified grader-specific sales
Estimate: $1.99, based on Guide Estimate.
Source date not availableSupported by the available observations, but not a guaranteed sale price.
Over the last 30 days, stored prices ranged from $1.99 to $1.99 across 2 capture days. Change between Aug 31, 2026 and Sep 16, 2026: 0%. 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
Ken Phelps appears on card #333 in the 1987 Topps baseball set, representing a specific snapshot of the Seattle Mariners franchise during that era. The 1987 Topps series remains a cornerstone for vintage collectors, offering a consistent design language and comprehensive roster coverage that defines the hobby's history. This card is recognized by its standard numbering and branding, making it a key piece for enthusiasts focused on completing the base set or tracking the career of Mariners players from the late 1980s. Collecting vintage sports cards often involves seeking out specific years and card numbers to create a cohesive collection. Ken Phelps, as featured on this card, provides a tangible connection to the Seattle Mariners' lineup during this period. For investors and hobbyists alike, the 1987 Topps set offers a stable entry point into vintage baseball memorabilia, with each card serving as a distinct artifact of sports history. Whether you are looking to fill a gap in your 1987 Topps collection or add a piece of Mariners history to your portfolio, this card represents a fundamental component of the set. The enduring appeal of the 1987 Topps brand ensures that cards like #333 remain relevant and desirable in the secondary market, offering both sentimental and potential financial value to dedicated collectors.
Last Listing Activity
9/17/26
Seller Action
Have one of these to sell?
We'll pre-fill the product details from this catalog entry, so your listing lands on this exact page. Just add photos of your copy, pick its condition, and set your price.
Product Specs
Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Estimated delivery October 3, 2026 - October 5, 2026
Collector Ownership
Owned by Collectors
See how many public collections currently include this card.
0 collectors have this card
SuperCatch Expert Analysis
Market Value Insight
This 1987 Topps base card of Ken Phelps occupies the lower end of the market value spectrum for the player, reflecting its status as a non-premium insert or parallel. As a standard base card from a mid-1980s set, it trades significantly below any special attributes or graded examples, serving primarily as an affordable entry point for specific set completists. Its current pricing tier suggests it is widely available and does not command a premium over similar era non-key rookies.
Rarity Breakdown
The card lacks any scarcity mechanics such as serial numbering, short-print designations, or one-of-one variants, meaning it was produced in high volume as part of the standard base set. Without limited edition tags or parallel overlays, the supply is effectively infinite relative to collector demand, resulting in no structural scarcity to support higher valuations. This open market availability ensures that value is driven entirely by condition and completeness needs rather than limited supply.
Investment Outlook
As a non-rookie, non-premium base card from a 1987 set, the investment potential is limited due to the abundance of available copies and the lack of unique collector demand drivers. While it holds nostalgic value for Mariners completists, it does not benefit from rookie card premiums or high-grade scarcity that typically drive long-term appreciation. Collectors should view this item as a functional component for set assembly rather than a speculative asset with significant growth trajectory.
