The product is a set of 4 rare Pokemon collectible cards featuring the character Gengar in simplified Chinese language. This set includes 4 Master Ball cards and 4 reverse cards from the Chinese Gem Pack Vol 3 collection. The cards are part of the Pokemon game series and are of the Pokemon type. The cards are numbered 030/507 and originate from China. Fans of Pokemon collectible card games will appreciate this unique and rare set of Gengar cards for their collection.