1929 OHMS formular Registration Envelope with 'General Post Office, Salisbury' imprint at L/L, to Canada with Admirals 1d & 6d tied 'SALISBURY SR/REGISTERED' cds, black-on-pink R label and 'DIST. POSTMASTER'S OFFICE' oval d/s in violet (another on back) alongside, London Winnipeg & Moose Jaw transits and 'AVONLEA/AP15/29' arrival b/s, a couple of very minor blemishes.