I was told during CM orientation a hundred years ago that Walt is wearing a ring on both hands. One is a traditional wedding ring and the other is an Irish ring honoring his Irish heritage.
If there’s a hidden Mickey on either ring it was never mentioned and I’ve never heard that there is.
I’ve had to walk by that statue probably 1000 times and I’m kinda embarrassed to say that I never stopped to look at closely. Too late now.