SG M11 1915, 6 c on 2 1/2 h, brown, with green INVERTED surcharge, LPOG, in the cert of Hoffmann-Giesecke it states that this item is maybe unique and Gibbs says there are for sure less than 10 existing, but he rates all varieties of this issue the same way, no doubt that this stamp is a great rarity but without any representation on the market, anyway there are less copies existing than St.Gibb. M8-10, a diagonal nondescript gum crease has no manifestation on front, is of no relevance and is mentioned for full accuracy, VF! Schätzpreis 15.000€.

SG M11 1915, 6 c on 2 1/2 h, brown, with green INVERTED surcharge, LPOG, in the cert of Hoffmann-Giesecke it states that this item is maybe unique and Gibbs says there are for sure less than 10 existing, but he rates all varieties of this issue the same way, no doubt that this stamp is a great rarity but without any representation on the market, anyway there are less copies existing than St.Gibb. M8-10, a diagonal nondescript gum crease has no manifestation on front, is of no relevance and is mentioned for full accuracy, VF! Schätzpreis 15.000€.

SG M33-41 1915, 3 p to 12 a, 9 values with the G.R./POST/MAFIA opt from blue to black, LPOG, very fresh and desirable, VF! Schätzpreis 1.600€.

SG M33-41 1915, 3 p to 12 a, 9 values with the G.R./POST/MAFIA opt from blue to black, LPOG, very fresh and desirable, VF! Schätzpreis 1.600€.

SG M42 1915, 1 R, red brown and deep blue green, with the G.R./POST/MAFIA opt in blue, LPOG, very fresh and desirable, VF! Schätzpreis 700€.

SG M42 1915, 1 R, red brown and deep blue green, with the G.R./POST/MAFIA opt in blue, LPOG, very fresh and desirable, VF! Schätzpreis 700€.