http://www.stampcollectioninfo.com/different-cancelled/
is it possible for two vectors with different magnitudes to totally cancel each other?
no
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 100 Different Cancelled 32 33 cent US Commemrative Stamps $3.80 (3 Bids) Time Remaining: 41m |
 63 CANCEL COLLECTION OF 56 DIFFERENT STAMPS HS $1,250.00 Time Remaining: 19h 29m Buy It Now for only: $1,250.00 |
 Old Presidents of 1870 1899 8 different cancelled $0.99 Time Remaining: 23h 28m |
 300319 1902 03 10 different cancelled Presidents $9.99 Time Remaining: 23h 31m |
 323 25 1904 Louisiana Purchase 3 different cancelled $7.99 Time Remaining: 23h 31m |
 328 30 1907 Jamestown 3 different cancelled $9.99 Time Remaining: 23h 32m |
 397 99 400A 1913 Panama Pacific 4 different cancelled $8.99 Time Remaining: 1d 7m |
 858 2 DIFFERENT TOWN CANCEL FDC CACHET BN1012 $30.00 Time Remaining: 1d 1h 5m Buy It Now for only: $30.00 |
 858 35 2 DIFFERENT TOWN CANCEL FDC CACHET BY CS ANDERSON BN1037 $30.00 Time Remaining: 1d 1h 34m Buy It Now for only: $30.00 |
 858 35 2 DIFFERENT TOWN CANCEL FDC CACHET BY CS ANDERSON BN1038 $30.00 Time Remaining: 1d 1h 34m Buy It Now for only: $30.00 |
 Washingtons Franklins of 1908 21 10 different cancelled $0.99 Time Remaining: 1d 15h 55m |
 65 ON COVER 9 DIFFERENT FANCY CANCEL COLLECTION HV1853 $1,100.00 Time Remaining: 2d 1h 48m Buy It Now for only: $1,100.00 |
 2 DIFFERENT PORT HURON SARNIA STAMP CLUB PHURONEX89 COVERS AND CANCEL 1989 $0.99 Time Remaining: 2d 11h 13m |
 Commemoratives of 1919 20 4 different cancelled $4.99 Time Remaining: 2d 17h 15m |
 581591 1923 26 9 different cancelled Presidents perf 10 $4.99 Time Remaining: 2d 17h 16m |
 Commemoratives of 1925 3 different Lexington Concord cancelled $5.99 Time Remaining: 2d 17h 16m |
 632701 1926 31 18 different cancelled Presidents $0.99 Time Remaining: 2d 17h 16m |
 Commemoratives of 1929 4 different cancelled $2.99 Time Remaining: 2d 17h 19m |
 Commemoratives of 1930 31 5 different cancelled $0.99 Time Remaining: 2d 17h 20m |
 Commemoratives of 1932 34 29 different cancelled $0.99 Time Remaining: 2d 17h 20m |
 704 15 1932 Washington Bicentennials Commemoratives 12 different cancelled $0.99 Time Remaining: 2d 17h 21m |
 Commemoratives of 1935 37 18 different cancelled $0.99 Time Remaining: 2d 17h 24m |
 803834 1938 25 different cancelled Presidents $2.99 Time Remaining: 2d 17h 24m |
 Commemoratives of 1949 54 47 different cancelled $0.99 Time Remaining: 2d 19h 3m |
 1954 61 Cancelled Liberty Series 30 different $0.99 Time Remaining: 2d 19h 4m |
 Commemoratives of 1958 59 34 different cancelled $0.99 Time Remaining: 2d 19h 7m |
 Commemoratives of 1960 61 34 different cancelled $0.99 Time Remaining: 2d 19h 8m |
 Commemoratives of 1963 64 33 different cancelled $0.99 Time Remaining: 2d 19h 8m |
 1965 81 Cancelled Prominent Americans Series 25 different $0.99 Time Remaining: 2d 19h 9m |
 Commemoratives of 1973 75 45 different cancelled $0.99 Time Remaining: 2d 19h 10m |
 1975 81 Cancelled Americana Series 19 different $2.99 Time Remaining: 2d 19h 14m |
 1914 cancelled Documentaries 7 different $0.99 Time Remaining: 2d 19h 16m |
 3 DIFFERENT LIBERTY SERIES INVERTED PRE CANCEL BN2313 $75.00 Time Remaining: 5d 13h 6m Buy It Now for only: $75.00 |
 FIRST DAY ISSUE 61 DIFFERENT MAILED ENVELOPES With 89 CANCELLED STAMPS 1961 1994 $49.99 Time Remaining: 6d 3h 11m Buy It Now for only: $49.99 |
 200 different USA canceled postage stamps $13.50 Time Remaining: 10d 5h 13m Buy It Now for only: $13.50 |
 Gehrig Big League Chew Different Color Envs w Induction Cancel JM FDC 6 10 89 $6.50 Time Remaining: 10d 22h 45m Buy It Now for only: $6.50 |
 100 different USA canceled postage stamps $7.50 Time Remaining: 11d 1h 11m Buy It Now for only: $7.50 |
 2417 Lou Gehrig Stamp 1st Day Cancelled Commemorative Cards Set of 6 different $29.99 Time Remaining: 12d 18h 10m Buy It Now for only: $29.99 |
 799 802 4 DIFFERENT GRANDY CACHET WITH WASH DC CANCEL BN3024 $40.00 Time Remaining: 14d 5m Buy It Now for only: $40.00 |
 643 4 FDC WITH 4 DIFFERENT TOWN CANCEL PA164 $45.00 Time Remaining: 14d 3h 35m Buy It Now for only: $45.00 |
 65TC 3 DIFFERENT TRIAL COLOR ALL W EXP CANCEL SMALL FAULTS EX WEISS HV1953 $599.00 Time Remaining: 14d 13h 16m Buy It Now for only: $599.00 |
 US 1909 10 FIVE NY COVERS WITH Sc 371 ONE WITH RED CANCEL DIFFERENT CANCELS $29.99 Time Remaining: 14d 17h 33m Buy It Now for only: $29.99 |
 73 8 DIFFERENT FANCY CANCEL 3 RED 3 BLUE HV2013 $499.00 Time Remaining: 22d 13h 51m Buy It Now for only: $499.00 |
 21 DIFFERENT PRE CANCELLED EARLY STAMPS hard to find USED $7.45 Time Remaining: 23d 18h 21m Buy It Now for only: $7.45 |
 Vermont State Fair 118th Year Rutland VT 1963 Cachet + Different Cancel $10.75 Time Remaining: 24d 16h 49m Buy It Now for only: $10.75 |
 264 w son 269 in oval different cancel not seen often Fancy Cancel $6.75 Time Remaining: 25d 9h 59m Buy It Now for only: $6.75 |
 300 different USA canceled postage stamps OLD $16.25 Time Remaining: 26d 2h 45m Buy It Now for only: $16.25 |
 11 9 DIFFERENT SHADES CANCEL USED BN4999 $50.00 Time Remaining: 28d 19m Buy It Now for only: $50.00 |
 783 23b 2 DIFFERENT TOWN CANCEL FDC CACHET BY BRONESKY BN465 $40.00 Time Remaining: 28d 3h Buy It Now for only: $40.00 |
 5 DIFFERENT NAVY SHIP CANCEL SOCIETY COVERS BL3028 $99.00 Time Remaining: 28d 3h 36m Buy It Now for only: $99.00 |