Bidspirit auction | British Commonwealth - Batum (British

British Commonwealth - Batum (British Occupation) - 1919-20, black surcharge 10r on imperforated 3k red and red, black and violet surcharges 15r on imperforated 1k orange, complete set of four and stamp with inverted black surcharge, all with full OG, LH or cancelled on piece (No.23), VF, various experts' sign and guaranteed genuine, C.v. $1,050, SG #19/20, a, b, var, Est. $500-$600, Sc. #21-24, 23a