1881 'CLIFTON/BRISTOL' SQUARED CIRCLE IN RED ON ENVELOPE SOUTHPORT TO BRISTOL. 1881 envelope Southport to 'Mrs Tyson, 5 Beaufort Road, Clifton, Bristol' with ½d pale-green (SG165) and 1d POSTAL FISCAL tied neat SOUTHPORT/594 duplex OC 2 81. On reverse good strike CLIFTON/BRISTOL squared circle OC 3 81 IN RED. Very rare and the first such example we have seen. Ex-Cohen. (Ref 90174).