Mike Gardiner Rookie Cards

Do you know that the most expensive Mike Gardiner Baseball Rookie Card (Mike Gardiner Seattle Mariners 1994 Score #721 MLB Baseball Rookie Card SEA P RC) was sold on eBay in 10/2025 for $12.06 while the cheapest Rookie Card (Seattle Mariners MLB Baseball Mike Gardiner SCORE ROOKIE PROSPECT 1991 NM Card) changed hands for only $0.01 in 11/2025? The month with the most cards sold (11) was September 2025 with an average selling price of $1.77 for a Baseball Card of Mike Gardiner. Sold items reached their highest average selling price in November 2022 with $10.00 and the month that saw the lowest prices with $0.06 was October 2011. In average, a Rookie Card from Mike Gardiner is valued at $1.83.

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Here's a list of Baseball Rookie Cards of Mike Gardiner that are currently for sale on eBay and some other online shops.

Picture	Item Title	Price	Store
	1991 Upper Deck Mike Gardiner #14 Seattle Mariners Star Rookie Baseball Card	$2.50
	Mike Gardiner Rookie #721.0 1991 Score Seattle Mariners Baseball Card MLB	$2.00

To give you a bigger picture, here are some more Baseball Rookie Cards of Mike Gardiner that were sold recently on eBay. In total, we scanned 112 sales to create the statistics about price trends and current value of Mike Gardiner Baseball Rookie Cards shown on top of this page.

Picture	Item Title	Price	Store
	1990 Leaf Mike Gardiner #417 Rated Rookie Seattle Mariners Baseball Card	$3.00
	1991 Donruss Seattle Mariners Baseball Card #417 Mike Gardiner RR Rookie	$1.75
	1991 Upper Deck Mike Gardiner Seattle Mariners Star Rookie Baseball Card #14	$2.00
	Donruss 1991 Rated Rookie Mike Gardiner #417 Seattle Mariners Baseball Card	$2.99
	Leaf Donruss 1991 Mike Gardiner Seattle Mariners #417 Rated Rookie Baseball Card	$1.00
	MIKE GARDINER 1991 UPPER DECK STAR ROOKIE BASEBALL CARD # 14 F6763	$1.99