INTERRUPTED MAIL. (42): GEOLOGICAL SURVEY DEPT OTTAWA O.H.M.S. envelope to BELGIUM, originally mailed with a 5ยข Small Queen cancelled/tied by Ottawa type 1 Squared Circle (despite the blue signature free frank handstamp, Official Mail could not be sent free outside of Canada), vessel was sunk, stamp fell off, letter was recovered & marked with a red boxed DAMAGED BY IMMERSION IN SEAWATER handstamp & manuscript note, forwarded to destination & received at Brussels 26 FE 1896, a choice and VERY RARE WRECK COVER. (Image)