Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" (German East Africa 1915)

01 January (German East Africa ) within release British Occupation of Mafia Island goes into circulation Stamp Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" face value 12½ German East African heller

Stamp Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" in catalogues
Michel:	Mi: DR-OAM 28
Stanley Gibbons:	Sg: DR-OA M28

Stamp is square format.

The color of overprint of "O.H.B.M.S. MAFIA" is bluish green in oval, the "G.R. POST MAFIA" is black or violet

Also in the issue British Occupation of Mafia Island:

• Stamp - Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" face value 24;
• Stamp - Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" face value 1;
• Stamp - Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" face value 12½;
• Stamp - Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" face value 25;
• Stamp - Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" face value 50;
• Stamp - Overprinted by "G.R. POST MAFIA" on "O.H.B.M.S MAFIA" face value 25;
• Stamp - Overprinted by "O.H.B.M.S MAFIA" face value 24;
• Stamp - Overprinted by "O.H.B.M.S MAFIA" face value 1;
• Stamp - Overprinted by "O.H.B.M.S MAFIA" face value 12½;
• Stamp - Overprinted by "O.H.B.M.S MAFIA" face value 25;
• Stamp - Overprinted by "O.H.B.M.S MAFIA" face value 50;
• Stamp - Overprinted by "O.H.B.M.S MAFIA" face value 25;