The cards sell today (Sunday January 28 - ending this evening in a no-reserve auction)
The Mantle is up to $19,500:
http://www.wheatlandauctionservices....ventoryid=9607
The Berra is up to $1,400:
http://www.wheatlandauctionservices....ventoryid=9608
Here's the story on Forbes:
https://www.forbes.com/sites/davidse.../#79beaed36460
Here's the story in Beckett:
https://www.beckett.com/news/1950s-m...y-mantle-card/
Here's the story in sports collector's daily:
https://www.sportscollectorsdaily.co...-bvg-1-5-a_lg/
Good Luck Bidding!