I expect they're mistakes, or people somehow convincing the border official to stamp their novelty passport. The USA (and several other countries) issues Refug

I expect they're mistakes, or people somehow convincing the border official to stamp their novelty passport. The USA (and several other countries) issues Refugee Travel Documents when required. See https://en.wikipedia.org/wiki/Refugee_travel_document https://en.wikipedia.org/wiki/Refugee_travel_document