Stamps of Guyana, 13rd of any month of any year
1 to 50 of 87
postage
1969, Aug 13 Guyana Scouting 60th issue wmk. lotus bud mult (no perf info) (5 stamps)
| X | 6c | multi | raising flag | .20 | .20 | |
| X | 8c | multi | Scout cooking over campfire | .20 | .20 | |
| X | 25c | multi | raising flag | .20 | .20 | |
| X | 30c | multi | Scout cooking over campfire | .20 | ||
| X | 50c | multi | raising flag |
1986, Jan 13 Reichenbachia 100th issue unwmk
| - | 150c | multi | ||||
| - | 200c | multi |
1986, Dec 13 1st Anniversary of the Death of President Forbes Burnham issue
| - | 25c | multi | .20 | .20 | ||
| - | 120c | multi | ||||
| - | 130c | multi | ||||
| - | $6 | multi |
1987, Mar 13 1987 surcharges e issue (12 stamps)
1997, Oct 13 Diana, Princess of Wales memorial issue p. 14.25 (8 stamps)
| - | $80 | multi | ||||
| - | $80 | multi | ||||
| - | $80 | multi | ||||
| - | $80 | multi | ||||
| - | $80 | multi | ||||
| - | $80 | multi | ||||
| - | $300 | multi | — | — | ||
| - | $300 | multi | — | — |
1999, Dec 13 New Millennium - People and Events of Eleventh Century, 1050-1100 issue p. 12.5 (17 stamps)
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | William I of England | |||
| - | $35 | multi | ||||
| - | $35 | multi | Henry IV, Holy Roman Emperor | |||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | El Cid | |||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi | ||||
| - | $35 | multi |
1999, Dec 13 New Millennium - People and Events of Twentieth Century, 1910-1919 issue
| - | $35 | multi | Walter Gropius |
1999, Dec 13 Chinese Football League Players issue p. 14.5
| - | $50 | multi | Gao Feng |
1 to 50 of 87