This is a First Day Cover that has been hand signed by the great, Alan Trammell & Robin Ventura. The cachet has been authenticated and slabbed by PSA/DNA. The serial number is verifiable online using PSA/DNA #84095291. The cover comes encapsulated in a tamper-proof cover. 100% authentic signature from Detroit Tigers legend, Alan Trammell & Robin Ventura. A great gift idea for a Detroit Tigers or MLB collector.