My husband has really gotten into metal detecting lately. He found this button buried in our front yard. It's 7/8 of an inch wide, and had a brooch-type pin on the back. It's obviously a profile of Mickey, but I have searched and searched for it online, with no results. Our house was built in '66, so I'm thinking it may be from the 70s or 80s. I'm trying to find an age and where it came from. Any ideas?