Lot 3552 Postcard with 1897 WATERDOWN ONT. squared circle, a very fine strike AP 2/97 on a 1c post card to Goderich (AP 3 squared circle receiver on front). Two file holes, one affecting top of dispatch strike, still the only known strike on cover and the unrecorded new latest known date for this hammer. RF 160 From the The Ted Kerzner Squared Circle Cancellations of Canada. Estimate $800.