There are 2 Levar Harper-Griffith trading cards tracked on HobbyCardIndex, spanning Tennis. The most valuable is the Levar Harper-Griffith [Glossy] #53 at $3.00 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/levar-harper-griffithLevar Harper-Griffith Cards
2 cards · Tennis