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Found at The Imaginary World.
Found at fotki.yandex.ru.
From 1998 . . .
From 1999 . . .
From 1997 . . .
Also from 1997 . . .
Found at Community LiveJournal.
Found at Wishbook's flickr photo stream.
Found at Life.
Found at Joan Thewlis flickr photo stream.
From 1952:
From 1958:
From 1960:
Find a vintage trade ad for chocolate HERE.