Mike Harkey Rookie Cards
Do you know that the most expensive Mike Harkey Baseball Rookie Card (1989 Fleer Mike Harkey Baseball Rookie Card (RC) #427 Cubs Pitcher VGEX O/C) was sold on eBay in 03/2026 for $85.98 while the cheapest Rookie Card (Mike Harkey - 3 Card Lot - 1989 Upper Deck Rookie, Topps, Score Chicago Cubs) changed hands for only $0.01 in 10/2014? The month with the most cards sold (23) was April 2025 with an average selling price of $5.78 for a Baseball Card of Mike Harkey. Sold items reached their highest average selling price in September 2025 with $12.61 and the month that saw the lowest prices with $0.01 was October 2014. In average, a Rookie Card from Mike Harkey is valued at $2.30.
Affiliate disclosure: When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network
| Picture | Item Title | Price | Store |
|---|---|---|---|
 | 1989 Score Mike Harkey Baseball Rookie Card (RC) #624 Cubs High-Grade NM O/C | $31.07 |  |
 | 1989 Upper Deck - Star Rookie Mike Harkey #14 Rookie Card - Chicago Cubs - Mint | $1.92 | |
 | 1989 Upper Deck Mike Harkey Chicago Cubs Rookie Baseball Card #14 | $1.00 | |
 | 1990 Topps Mike Harkey Chicago Cubs Rookie Card #36T Nm | $1.00 | |
 | 1991 Topps Toys R Us Rookies - Mike Harkey #10 Chicago Cubs Rookie Card | $0.99 | |
 | Donruss 1989 Rated Rookie Mike Harkey #43 Chicago Cubs MLB Card | $2.00 | |