AI
Sports CardsCommon

Mike Greenwell 1991 Donruss Diamond Kings #DK-18— Value & Price Guide

Donruss Diamond Kings1991Donruss#DK-18

Market Valuation

HOLD

Fair Market Value

$0.45

0
Low
$0.15
Median
$0.45
High
$0.90
0%long-term
AI Estimate

Expert Analysis

This is a common base card from the early 90s, a period known for overproduction in sports cards. While Mike Greenwell had a solid career, this card does not possess significant rarity or demand to warrant a 'buy' or 'sell' recommendation. It's best to hold for sentimental value or as part of a complete set.

Market Analysis & Price Trends

Based on current market data, the Mike Greenwell 1991 Donruss Diamond Kings #DK-18 has a current fair market value of $0.45 with prices ranging from $0.15 to $0.90.

Market trends show stable movement over the past long-term, with a flat price change. With no recent sales data available, the market for this common base card is assessed as stable. There is no indication of significant price movement up or down for this type of card.

Our AI analysis rates this card as a HOLD. This is a common base card from the early 90s, a period known for overproduction in sports cards. While Mike Greenwell had a solid career, this card does not possess significant rarity or demand to warrant a 'buy' or 'sell' recommendation. It's best to hold for sentimental value or as part of a complete set.

Collecting Insights

This card is a Common rarity, Base variant, from the Donruss Diamond Kings set, released in 1991. Collectors value this card for its unique attributes and market positioning.

Notable features include: Vintage baseball card, Donruss Diamond Kings subset, Iconic 90s design. These characteristics contribute to the card's collectibility and market demand.

Mike Greenwell was a consistent hitter and popular player for the Boston Red Sox, known for his strong offensive output. His cards hold value primarily for Red Sox collectors and fans of 1980s/90s baseball.

Key Features

  • Vintage baseball card
  • Donruss Diamond Kings subset
  • Iconic 90s design

Quick Facts

  • Mike Greenwell spent his entire 12-year MLB career with the Boston Red Sox, making him a beloved figure among the team's fanbase.
  • He was a two-time All-Star and won a Silver Slugger Award in 1988, showcasing his consistent offensive prowess.
  • Greenwell holds a career batting average of .303, a testament to his hitting ability throughout his time in the league.
  • His 1991 Donruss Diamond Kings card is part of a popular subset known for its artistic, painted player portraits, which were a distinctive feature of Donruss sets in that era.
  • Despite his strong performance, Greenwell often played in the shadow of other Red Sox stars like Roger Clemens and Wade Boggs, making his cards a more niche collectible today.

Grading ROI Estimate

Full Calculator →

Estimated value after professional grading, based on typical grade multipliers for this price range.

GradeEst. ValueCostNet Profit
PSA 10$1.58$25.00-$23.88
PSA 9$0.81$25.00-$24.64
BGS 9.5$1.13$30.00-$29.33
CGC 9.8$0.90$22.00-$21.55

Estimates based on typical grade multipliers. Actual values vary by card popularity, scarcity, and market conditions.

Frequently Asked Questions

Based on recent verified eBay sold listings, the Mike Greenwell 1991 Donruss Diamond Kings #DK-18 has a fair market value of $0.45. Prices range from $0.15 to $0.90 depending on condition and seller. Values are updated regularly based on real transaction data.

Mike Greenwell 1991 Donruss Diamond Kings #DK-18 Base - Trading Card Image

Image from verified eBay sold listing

Track This Card's Price

Get notified when the price of this card changes significantly. Free price alerts.

Get a Fresh Valuation

Prices change daily. Get the latest AI-powered valuation with real-time eBay sold data.

Page Stats

Times searched2
Page views0
Last updated5/9/2026

About the Mike Greenwell 1991 Donruss Diamond Kings #DK-18

The 1991 Donruss Diamond Kings set delivered vibrant artwork and highlighted baseball's top stars, and Mike Greenwell's #DK-18 card is a prime example. Known as the 'Gator,' Greenwell was a productive outfielder for the Boston Red Sox throughout the late 80s and early 90s, earning All-Star nods and consistently hitting for average and power. This Diamond Kings card, with its distinctive illustrated style, stands out from standard base cards, offering a unique artistic take on the player. For Red Sox fans or collectors of 90s baseball cards, this piece represents a significant player from that era, adding a splash of color and nostalgia to any collection.

Career Highlights

  • 2× All-Star (1988, 1992)
  • Silver Slugger Award (1988)
  • Boston Red Sox Hall of Fame (2008)
Free Tool

Get a Live Valuation for Mike Greenwell 1991 Donruss Diamond Kings #DK-18

Real eBay sold data, confidence scoring, and buy/sell/hold recommendation — free and instant.

Instant AI analysis
Real eBay sold comps
Confidence scoring

No credit card required. Works for sports cards, Pokemon, MTG, Yu-Gi-Oh, and more.

Related Cards

Collectors Also Track

Collector's Guides