This is a First Day Cover that has been hand signed by the great, Darryl Strawberry. The cachet has been authenticated and slabbed by PSA/DNA. The serial number is verifiable online using PSA/DNA #84092577. The cover comes encapsulated in a tamper-proof cover. 100% authentic signature from Los Angeles Dodgers legend, Darryl Strawberry. A great gift idea for a Los Angeles Dodgers or MLB collector.