Set of 3 Tannu Tuva 1936 Airmail Stamps C16-C18 Used

Set of 3 Tannu Tuva 1936 airmail stamps, identified as C16-C18. The stamps feature detailed multicolor designs and are marked for airmail postage. Good pre-owned condition with cancellation marks. Ideal for collectors of Tannu Tuva, Soviet-era postal history, and worldwide airmail stamps.