373rd Heinrich Köhler auction - Day 2

1915, Stamps overprinted with modified type 2 handstamp "GR POST 6 CENTS MAFIA" with wide spacing between "G" and "R", 6c. on 2½h. -3r., mostly fresh colors and good perforations, unused, the 1-3r. some small negligible imperfections of no importance considering this being the only known complete set of this rare and sought-after issue. Accompanied by a handwritten letter signed by Colonel Mackay, the Military Governor, who certifies the genuineness of the set of wide-spaced overprints, certificate Scheller (2020) (Gibbs no. 29-38) 
Provenance: "Togo & Tanganjika - The Colonel J.R. Danson Collection" (Robson Lowe, 1971)