.75" litho reading on the left "Copy. 1928-1930 By W.E. Disney." Reverse has the Los Angeles address of "Western Theatre Premium Co." and, almost certainly, this button was meant to be ordered by movie exhibitors for distribution when screening Mickey cartoons. Four near microscopic pinpoint dots off the side edge not showing from the front which displays superbly and essentially Mint. Certainly equal to the best example of the few we've seen over the years.