I think it's just "BAKKP" - on the stamp, there's the word starting with "B", and the next one starts with "A" (short one), while the next word starts wth "K"
I think it's _________ Avtom[obilnyi] __________ Kasnoznamenniy Polk
or _________ Aviats[ionnyi] __________ Kasnoznamenniy Polk
I think it's _________ Avtom[obilnyi] __________ Kasnoznamenniy Polk
or _________ Aviats[ionnyi] __________ Kasnoznamenniy Polk












