KEY GLOCK SIGNED VINYL ALBUM YELLOW TAPE AUTHENTIC RAPPER YOUNG DOLPH JSA COA. The product is a signed vinyl album by rapper Young Dollph, authenticated by JSA. The authenticity of the signature is backed by a JSA COA, ensuring its legitimacy and adding value to the piece as a piece of music memorabilia. This item would be a prized possession for any collector or fan of Young Dolph.