Advance Posting Service Canada Post Office Census of Cancellations Halifax Wavy Lines 1932 1932 13-Dec 9:30am     (U) I suspect this was a mistake. 1932 23-Dec 5:30pm     (U) 1936 1936 Dec 24 12:30AM     (P)     Thu 1938 1938 24-Dec 12:30 AM     (P)     Thu 1939 1939 23-Dec 8 AM     (P) 1940 1940 Dec 24 12:30AM     (P)     Tue 1941 1941 24-Dec 12:30 AM     (P) 1942 1942 24-Dec 12:30 AM     (P) Lewisporte, Nfld 1966 14-Dec 9:00 PM     (Probably not APS) London, ON 24 December 1937 7AM     (P)     Fri St. John, NB Wavy Lines 1933 1933 23-Dec 12:00PM     (U) 1935 1935 Dec 24 6:00AM (P) 1937 1937 24-Dec 9:00AM     (P) 1938 1938 24-Dec 7:00AM     (P) 1949 1949 Dec 24 10:00am (P)     Sat The Christmas seal protects.. The following red cancels may be Christmas related but are probably not APS related. 1952 1952 Nov 20 5pm     (P) 1952 Nov 21 12AM     (P) 1952 Nov 21 4PM    (P) 1952 Nov 22 1:00 PM     (P) 1952 Nov 22 2:00PM     (P) 1952 Nov 23 11:00 PM     (P) 1952 Nov 24 10:00 PM     (P) Toronto 1933 1933 Dec 23 2AM     (P) (2) 1934 1934 Dec 22 2AM     (PB) Slogan "Use the advance posting." 1935 1935 Dec 24 2:00AM (3)     (PB) Slogan "Use the advance posting." 1935 Dec 24 2am     (PB)     Tue 1936 1936 Dec 24 2:00AM     (U) (3) 1937 1937 Dec 24 2:00PM     (P) 1937 Dec 24 2:00PM     (U) 1938 1938 Dec 24 3:00AM 1939 Dec 23 1939 2 AM     (U) 1940 1940 Dec 24 2:30AM 1941 1941 Dec 24 2:30AM     (U) Die 1 1941 Dec 24 2:30AM     (U) Die 2 Winnipeg 1926 1926 Dec 24 8am     (U) Slogan:Dominion Government ... 1927 Dec 23 1927     (U)    Sun 1928 1928 Dec 24 8am     (P) 1930 1930 Dec 24 8 AM     (U) 1931 1931 Dec 24 no time     (U) 1932 1932 Dec 24 no time mark     (U) Slogan:Use the Advance ... 1933 1933 Dec 23 no time mark     (U) Slogan:Use the Advance ... 1935 1935 Dec 24 7am     (P) 1937 1937 Dec 24 7am     (P) 1938 1938 Dec 23 7 AM     (P)