1908 1c postal stationery cut square not valid, small circle indicates this, Dead Letter Office DLO, 1c due, 1c added.with Toronto Branch DLO oval and DLO Canada Toronto Branch cds (2 strikes) tying 1c Quebec Tercentenary, to local address.
Interestingly the postcard is addressed to Conboy Carriage Co, whose advertising covers have been seen. The card message is an invitation for tea in two days, which didn’t arrive in time.