1981 (Jun 12) Plain envelope registered to Lady Diana Spencer, Buckingham Palace, London cancelled Bogota $18 meter & bearing Virgen Milogrosa $12 + San Pedro Claver $12 + 2 x different design flowers 5c tied Bogota cds & with red framed Registration 73657 + A R + at top left violet unframed Examined /By /C. of H. C.E. Dean /Duty Orderly handstamps with on reverse another but better bold clear Examined /By /C. of H. C.E. Dean /Duty Orderly handstamp & John F. Kennedy 10c …..Very interesting item of Royality censored mail..