1970 Topps Willie Mays PSA CardFacts™
1970 Topps Willie Mays PSA CardFacts™ . Most watched vintage baseball cards on ebay. I own majority of cards listed on this baseball blog and every card listed on the football link including many doubles. 1970 Topps Willie Mays PSA CardFacts™ from www.psacard.com To compile our list of the most valuable 1970s baseball rookie cards, we took realized ebay prices of topps cards. The other major card companies followed suit and created card brands with higher price points. 1970 topps thurman munson rc/dave mcdonald rc #189.