The condition of the card,in my opinion :Near Mint/Mint.
Cardboard appreciation: 1981 Topps 1980 NL Championships
The Baseball Analysts: How I Ruined My Ted Williams and Mickey Mantle Autographed Baseball
Lot Detail - 1998 Signed Danny Mantle Fleer Baseball Card (JSA)
Rick Behar's www.estate48.com
The Sports Bookie: Bob D'Angelo's Books & Blogs - Bob D'Angelo's Books & Blogs
These were issued to Admit participants to the National Sports Collector Convention.
1998 National Convention Badge 5 X 7 Fleer Mickey Mantle Trophy NMT
Trading Prospects for Stars - The Radicards® Blog
The rule of thirds and '08 Stadium Club
These were issued to Admit participants to the National Sports Collector Convention.
1998 National Convention Badge 5 X 7 Fleer Mickey Mantle Trophy NMT
Mickey Mantle Baseball Cards
Welcome to Huggins and Scott - Huggins & Scott
1998 Fleer Mickey Mantle National Convention Mickey Mantle #NC5 HOF
Do you still collect baseball cards? I have a big tub of them and I don't know much about them. - Quora
Baseball Card News by DeansCards.com: 2009
PSA Magazine: 2022 December #012 by PSA Magazine - Issuu