According to the PCGS Certification Database, the requested certification number is defined as the following:
|07-Sep-2017||$840||Heritage Auctions||2017 September 7-10 Long Beach Expo U.S. Coins Signature Auction|
|07-Sep-2016||$1,116||Heritage Auctions||2016 September 7-11 Long Beach Expo U.S. Coins Signature Auction|
This cert is currently in the Set Registry inventory of Grandmaster Supreme Poobah and is featured in one or more sets, including 🏅The GOOD, BETTER, BEST BTW SET🏅.
View a Set Registry collection that includes a 1948-S 50C coin: