What Are The Most Unusual, Weirdest, "What Were They Thinking?" Stamp Designs?

I am a big fan of weird and unusual things from history. A lot of my collection focuses on exactly this, especially things made by one individual, never to be repeated by anybody. Thinking different can often end up with great results that influence the future of their field, but it can also make you say "What were they thinking?". I wanted to start a thread to see some of the oddest stamp designs, whether they are good designs, bad designs, or completely indescribable.

I received these Hungarian "Man with propellor" stamps today. I bought them because the design is so weird and unlike any other.

Not "Man" but Mercurius, the winged messenger of the gods.

These are airmail stamps. Mercury (Mercurius) and propellors, both, are common themes for airmail stamps. A quite understandable design.

I think the placement of the center of the propeller makes this a rather "interesting" design.

It's a good job that propellor's supported by two plinths.

I've always thought this US Stamp from 1998 was very unsettling

As far as you know...

Just don't ask to see the spindle.

When the present "King of the United Kingdom and 14 other Commonwealth realms" (Wikipedia) was invested as Prince of Wales in 1969, Royal Mail issued a set of stamps.

Here's the Georg Baselitz version:

I have found this 1989 Dutch stamp to be a very weird design.

And this Kenyan AIDS prevention stamp. The text and the sad looking guy in the bubble have always seemed weird to me.

Honoring anniversary of the end of the Holocaust:

Single, the the pair and finally the sheet with explanation in margin.

I have to agree ParcelPost, that's an arresting design.

Kind of wonder whether the Slovene stamp relates to the Jasenovac camp in Croatia. "[I[t "specialized in one-on-one violence of a particularly brutal kind", and prisoners were primarily murdered with the use of knives, hammers, and axes, or shot." (Wiki article) The commander was an ex-Franciscan monk, previously jailed by the Germans for participating in the slaughter of a class of Serbian schoolchildren.

Death and the Bride

Marking the fiftieth anniversary of the liberation of the concentration camps, this haunting image captures the symbolic essence of life and death within the Nazi torture chambers. A young girl lies motionless, her innocence and vitality starkly juxtaposed with the skeletal figure that rests upon her. The naturalistic rendering of the skeleton—an unambiguous emblem of death—intensifies the contrast, evoking the brutal collision between youth and mortality, hope and horror. Together, the figures form a chilling tableau that speaks to the enduring trauma and the fragile resilience of life in the shadow of atrocity.

Hideous stamp. The rainbow text looks awful, and the gold text is nigh illegible.

Okay when issued but use it today and get slammed as insensitive:

That stamp (US 1549) must be relatively scarce, it is one of the few items on Henry Gitner's buy list of modern mint, at 40% over face.