Lot 1214 Montreal (Type 1-1 Ensign Flag), dated MAR 23 (11-0) tying 1c Small Queen strip of three on cover (missing backflap) addressed to H.E. Waite, one of the co-inventors of the first Imperial canceling machines. Only 2 reported usages on this day, and the only known cover (the other one is a card). Ex. Larry Paige. From the Robert Heasman Collection of Early Canadian Machine Cancellations. Estimate $1,000, sold for C$1,600.00 plus 17% buyer’s premium.