The 1976 Topps Basketball #136 Leonard Gray Supersonics PSA 8 trading card is an original card from the National Basketball Association (NBA) featuring the Seattle Supersonics team. Manufactured in 1976 by Topps, this card is part of the base set and made of card stock. It is a valuable piece for collectors interested in vintage basketball trading cards and would make a great addition to any sports memorabilia collection.