Bidspirit auction | Italian Colonies - Somalia

Italian Colonies - Somalia - 1927, Volta issue, black overprints ''Somalia Italiana'' and inverted ''Tripolitania'' on 50c deep orange, bottom left corner sheet margin block of four, full OG, NH, VF and scarce multiple, expertized by E. Diena, C.v. $2,100, Sassone #110b, €3,200, both values for hinged singles, Sassone has 100%-150% premium for never hinged stamps, Est. $1,000-$1,200, Scott #98b