SNOOPY & ALL HIS FRIENDS advertising pinback button this is the vintage, real McCoy. This is NOT a copy, NOT a modern day replica. Guaranteed authentic! pinback button: 2.5" diameter celluloid pinback button. full color. HEALTHY ME. AWARD WINNER. METROPOLITAN LIFE FOUNDATION. last listed copyright is 1968 United Features Syndicate. Has Pigpen, Sally, Franklin, Woodstock, Linus, Snoopy, Lucy, Charlie Brown, Peppermint Patty, Schroeder. A fantastic pin. colors are strong and vivid. Mint condition.