This is a First Day Cover that has been hand signed by the great, Bob Feller & Dwight Gooden. The cachet has been authenticated and slabbed by PSA/DNA. The serial number is verifiable online using PSA/DNA #84095289. The cover comes encapsulated in a tamper-proof cover. 100% authentic signature from Cleveland Indians legend, Bob Feller & Dwight Gooden. A great gift idea for a Cleveland Indians or MLB collector.