1970 REGISTERED AIRMAIL LONDON TO SAN FERNANDO, TRINIDAD, WEST INDIES. QEII 1970 3s 4d grey registered envelope and 'MINIMUM EXTRA POSTAGE 1d' in blue airmail London to San Fernando, Trinidad, West Indies, uprated with 1d Machin (SG725) 1/- Anniversaries (SG821) and 1/6d Wordsworth (SG828) cancelled 'ST. JAMES'S ST' date stamps 3 JU 70. On front and reverse fine strikes 'REGISTRATION/G.P.O. TRINIDAD' date stamps 5 JU 70. Unusual franking, unusual destination. (Ref 144470).