Godzilla had his own View-Master reels, which came in several permutations, including but not limited to:
...which were all part of the merchandising campaign that included the Hanna-Barbera animated series (they were able to keep the license a few years)...and also lots of other good stuff.
This calendar measures 17 x 23 inches, so it's not too giant, but still big enough to see. What's more, and you couldn't plan this better if you tried: it lines up with 2023. It's like fate.
These sorts of things are very hard to photograph, so here is a photo that is slightly sharper than the one above, just a bit more skewed. Just in case anyone wants to actually use one. Otherwise, you'll have to wait until 2034!