Bidspirit auction | 1926 KGV 1a on 1½a

1926 KGV 1a on 1½a ovpt. SERVICE with clear offset ovptd. on back, Mint stamp - 1926 KGV King George V provisional issue 1a on 1½a (single star wmk) Chocolate ovpt. SERVICE with clear offset ovptd. on back, Mint stamp