TANNU TUVA - Russia. 1932 postal advertising stationery envelope, franked with 2k & 18k (at the front) + at reverse 5k all 1927 issue in combination with Provisional 10k on 8k surcharged 1932 stamp applied at front. All tied by Kizil c.d.s., back show corresponding arrival postmarks. Very scarce commercial usage of this provisional issue. (Photo). Est. 200 - 300 CHF.