Baseball Price Guide

2020 Bowman Chrome Prospects Gunner Mayer Autographed #CPA-GMA

2020 Bowman Chrome Prospects #CPA-GMA

Price guide Baseball Bowman Chrome Prospects 2020

Baseball Catalog card RC

2020 Bowman Chrome Prospects Gunner Mayer Autographed #CPA-GMA

2020 Bowman Chrome Prospects #CPA-GMA

Add to wish list Add to collection Sell or trade

Year2020

SetBowman Chrome Prospects

Card numberCPA-GMA

Rookie cardRC

Insert/subsetAutographed

Views3

Last updatedJun 20, 2026

Market Value

Grade / condition

$12.20 Estimated value

No trend Range movement

SGC 10 Selected bucket

0 Recorded sales

Available On Slab Swappers

Collectors who have this card listed for sale or trade.

No users have this card available on Slab Swappers right now.

Become a Contributor

Help keep comps clean.

Contributors earn points for reporting bad comps, improving card data, and adding better pictures. Approved contributors can hide clearly wrong comps immediately while admins review the action.

Sign in to contribute

Report wrong comps Add better photos Fix card details Earn trust points