A 1961-62 Fleer Wilt Chamberlain rookie card has been downgraded from a Gem Mint 10 to a Mint 9 by PSA. The difference in current market value led to around a $800,000 loss for the collector. Sources ...
The 1970 Topps NFL Bart Starr is a prime example of how scarcity drives the sports card market and with only 12 PSA 10s known to exist. There’s no doubt that vintage collectors have always placed a ...
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