I always thought these were only Philadelphia Mint issues that were part of this marketing gimmick. (Hollywood Brands, who used to manufacture PAYDAY bars, put a nickel in 12.3 million candy bars in 1989.) As you can see, mine is a 1988-D. Anyone know about this?
Correction! It has been increased in size. NGC Mega Holder™ The world’s largest coins also benefit from the protection of the NGC holder. Coins as large as 180 mm in diameter and 28 mm in thickness can be encapsulated in the NGC Mega Holder. Fee per coin is tier price + $150. Contact Customer Service to confirm eligibility.