Yeah, it's a strange one - but not unaccountable for. I understand that Monopoly was originally intended as a satire on capitalism - and by the 1890's the classic image of the capitalist was that of a man with a monocle. There is even a quasi-idiomatic phrase: `the man with the monocle` to allude to a tycoon.
In the 1920s the Russian novelist Mikhail Bulgakov came under fire from Soviet critics for havins a publicity photo of himself appear in which he was wearing a monocle. He claimed that he did so for legitimate medical reasons, but nevertheless this image did much to seal his fate as a disident writer which was to overhadow the rest of his career.
Might you be thinking of the old Sunny Jim image from the
Force cereal packet and other promotional items? Viz:
This was still common enough in 70's Britain.
Having dispensed with, to my own satisfaction, the Molly braces issue - the two remaining baffling Mandela effects to me are:
(a) C3P0's silver leg. I'm not much of a
Star Wars fan but I've asked around and nobody seems to be aware that the golden robot had, and apparenly always had, a silver shin!
Some people put this down to the lighting in the desert scenes, but there are some indoor shots where the silver shin is clearly visible!
(b) The `dilemma` versus `dilemna` thing. Nonsensical as it is I do have a faint but very dogged feeling that we were told that the word had a silent `n' in it somehwere - and that this made the word awkward. It's hard to put this down to an internalised comon mispelling (like `definately`) because `dilemna` is completely atypical of any word group, and unphonetic!