The "fly-in-the-ointment" of f2.8 Canter 35 serial numbers
The vast majority of evidence suggests that f/2.8 Canter 35 serial numbers started at 80000. It's a logical place to begin because the highest known Super 35 number is 71585, and the lowest observed number for a Canter "was" 80166.
However, this neat and tidy presumption has been upset by the discovery of 50033! I can offer no explanation.
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The following serial numbers have otherwise been observed.
​​f/2.8 Canter with rewind crank arm release catch:
80166, 80331, 80634, 81314, 81393, 81902, 82086, 82218, 82333, 82730, 83134, 83147, 83313, 84072, 84290, 84681, 85290, 85838, 85929, 85987, 86057, 86213, 86252, 86367, 86524, 87495, 87596, 87777, 88353, 88621, 89057, 89547, 89704, 89734, 89547, 89550, 90082, 90154, 90228, 90399, 90658, 91104, 95106, 95232, 95483, 95899, 96052, 96238, 96500, 96747, 97469, 97474, 97484, 97688, 97781, 97938, 98161, 98830, 99528, 100090, 100147, 100264, 100355, 100453, 100494, 100499, 100615, 100704, 100706, 101339, 101604, 101732, 102031, 102156, 102469, 102473, 103276, 103279, 103306, 103357, 103403, 104111, 104224, 104472, 104685, 104924, 106009, 106147, 106154, 106525, 106941, 107210, 107301, 107695, 107799, 107954, 107971, 108033, 108294, 108368, 108694, 108770, 108792, 109398, 109442, 109448, 109687, 109731, 109857, 109869, 109949, 109985, 110131, 110687, 110864, 111049, 111234, 111788, 118531 (113 examples in a range of 38,366)
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f/2.8 Canter without release catch:
107301, 110697, 110984, 112046, 112100, 112749, 112780, 112791, 113086, 113314, 113387, 113565, 113776, 113795, 113851, 113936, 114071, 114284, 114579, 114761, 114764, 114867, 115389, 115879, 115888, 116038, 116509, 116510, 116613, 116854, 117105, 117118, 117241, 117300, 118269, 118442, 118795, 119032, 119244, 119259 (38 examples in a range of 11,959)