As it seems that there is a wish for "gay stamps" with something unique and cute on them

I would like initiate a motive-gathering for them.
Must be of course your personal copyright or public domain (e.g. the artist is dead since more than 70 years). Any suggestions? You can just post them into this thread, using the img-function for imbeding your pictures.
Some of my personal favorites so far:

Ok, we of course can print also some respectable stamps with our forethinkers and heroes (K. H. Ulrichs, H. Milk, some more ideas?).
Actually, the last pic appeared in various magazines. Does anybody know who is the artist / copyright holder?