STAMP DEALERS/R. ROBERTS OF SUSSEX. 1951 KGVI 6½d carmine registered envelope London to Braintree, USA cancelled 19 FE 51. On front cachet "POSTAGE STAMPS FOR COLLECTION ONLY. NOT DUTIABLE. FROM R. ROBERTS, 430 STRAND LONDON ENGLAND..." also US customs cachet and UK "PASSED BY BRITISH PHILATELIC ASSN." oval hand stamp. (Ref 102541).