Am I Missing Something? 57 Starr $6600?

mexpo75

I just saw that PWCC has a Bart Starr rookie PSA 8 which the bid has reached $6500. Why has this reached so high?

shayne54

According to VintageCardPrices the last few auctions:

2/15/15 eBay Auction | Image prewarcardcollector s***b 28 $8,600.00
12/4/14 Goodwin Auction | Image 10 $7,062.65
7/17/14 eBay Image prewarcardcollector t***o 40 $3,101.00
6/1/14 Love of the Game Image 7 $2,520.00
5/14/14 Heritage Image 14 $2,868.00

Looks like these really shot up in value the last few months.