Stamps of Guyana, 18th of any month of any year
1 to 50 of 60
postage
1972, Oct 18 Christmas 1972 issue wmk. lotus bud mult (no perf info)
| X | 8c | multi | Holy Family | .20 | .20 | |
| X | 25c | multi | Holy Family | |||
| X | 40c | multi | Holy Family | |||
| X | 50c | multi | Holy Family |
1974, Mar 18 ovptedflowers (1971 Guyana)
| X | 8c on 6c | dlrose & multi | cannon-ball tree Couroupita guianensis | .20 |
1974, Jun 18 UPU 100th issue
| X | 8c | multi | stamp 1863 | .20 | ||
| X | 25c | multi | mailman | .20 | ||
| X | 40c | multi | stamp 1863 | .20 | ||
| X | 50c | multi | mailman |
1974, Nov 18 Christmas 1974 issue - fruits (1974 Guyana)
| X | 8c | multi | Dianthera pectoralis, w. lotus bud mult | .20 | .20 | |
| X | 35c | multi | Carambola starfruit & awaras, w. lotus bud mult | .20 | .20 | |
| X | 50c | multi | pawpaw and tangerine, w. lotus bud mult | .20 | .20 | |
| X | $1 | multi | pineapple & sapodillas | — | — |
1982, Nov 18 CARICOM Heads of Government Conference issue ++on=15c wmk. lotus bud mult (6 stamps)
| - | 50c | multi | ++on=15c | — | — | |
| - | 50c | multi | ++on=15c | — | — | |
| - | 50c | multi | ++on=15c | — | — | |
| - | 50c | multi | ++on=15c | — | — | |
| - | 50c | multi | ++on=15c | — | — | |
| - | 50c | multi | ++on=15c | — | — |
1983, May 18 30th Anniversary of President's Entry into Parliament issue
| - | 1c | multi | ++on=15c | |||
| - | 1c | multi | ++on=40c |
1983, May 18 1983 surcharges f issue
| - | 20c | multi | ++on=6c | .20 | ||
| - | 50c | multi | ++on=6c |
1984, Jun 18 1984 surcharges g issue
| - | 55c | multi | ++on=110c | |||
| - | 90c | multi | ++on=110c |
1985, Jul 18 International Youth Year 1985 b issue ovpted (no wmk info) (5 stamps)
| - | 25c | on 110c (32) | .20 | .20 | ||
| - | 25c | on 110c (32) | .20 | .20 | ||
| - | 25c | on 110c (32) | ||||
| - | 25c | on 110c (32) | ||||
| - | 25c | on 110c (32) |
1994, Feb 18 International Stamp Exhibition "Hong Kong '94" - Hong Kong, China issue unwmk p. 14.25
| - | $50 | multi | ||||
| - | $50 | multi |
1994, Feb 18 International Stamp Exhibition "Hong Kong '94" - Hong Kong, China - Ch'ing Dynasty Snuff Boxes issue (6 stamps)
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi |
1994, Feb 18 Hong Kong '94 b issue (6 stamps)
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi | ||||
| - | $20 | multi |
1995, Oct 18 African Wildlife 1995 issue (6 stamps)
| - | $20 | multi | Riparia riparia | |||
| - | $35 | multi | Stercorarius longicaudus | |||
| - | $60 | multi | Falco subbuteo | |||
| - | $60 | multi | Colobus verus | |||
| - | $60 | multi | Cinnyricinclus leucogaster | |||
| - | $60 | multi | Cercopithecus diana |
1 to 50 of 60