Info Needed

Bonaparte Moore

Did a image google search and nothing came up, the stamps are from Croatia. was thinking charity stamps, but it has the U.P.U overprint in gold. could it be from the Croatian government in exile ?

George DeKornfeld

They aren't listed on this site of exile issued stamps:

https://www.crostamps.com/old/stmp_pri.htm

Ted Tyszka

Colnect lists the basic stamp as a Cinderella issue. You can take it from there.