This is a First Day Cover that has been hand signed by the great, Raul Mondesi. The cachet has been authenticated and slabbed by PSA/DNA. The serial number is verifiable online using PSA/DNA #84092319. The cover comes encapsulated in a tamper-proof cover. 100% authentic signature from Los Angeles Dodgers legend, Raul Mondesi. A great gift idea for a Los Angeles Dodgers or MLB collector.