BATUM BRIT OCC 1920 25r on 5k yellow-green, SG42aBatum British Occupation 1920 (1 Apr) 25r on 5k yellow green, type 7 surcharge in blue, block of 4 (tranfer types CA FD), SG42a. A stunning unmounted mint block of four, with full original gum. Slight gum creasing, as often seen for this issue. A most attractive and very scarce multiple of this scarce surcharged stamp with only 1,980 originally issued. Stanley Gibbons catalogue value: 300++. Batumi (formerly Batum) is a city on the Black Sea coast and