Sure sounds similar to the thefts from dealers at the Edmonton Stamp
Show, which is close to Vancouver.....
>a member of the British Columbia Philatelic Society. The theft
>apparently occurred sometime in the morning on Wednesday, December 15,
>in the Vancouver suburb of Coquitlam. Among the items taken were a
>collection of Swiss mint and used stamps on Minkus pages. The used
>stamps were nearly complete, missing only three stamps up to 1989.
>Mint stamps were less well represented, but were nevertheless of
>considerable value. The collection contained a few covers.
>Also taken was stockbook of mint and used Swiss stamps, a stockbook
>full of mint modern Canadian plate blocks, and a Canadian mint
>collection for the years 1987 through 1995 in a hingeless Darnell
>The owner has contacted all of the major stamp dealers in Vancouver.
>He would appreciate your help in publicizing his loss.
>British Columbia Philatelic Society