Stamps of Guyana, 4 base day
1 to 50 of 221
postage
1968, Mar 4 1968a unwmk issue - wildlife (1968 Guyana) (no perf info) (15 stamps)
| X | 1c | multi | sunfish, w. unwmk | .20 | .20 | |
| X | 2c | multi | Pirai, w. unwmk | .20 | .20 | |
| X | 3c | multi | Lukunani, w. unwmk | .20 | .20 | |
| X | 5c | multi | Hassar, w. unwmk | .20 | .20 | |
| X | 6c | multi | Patua, w. unwmk | .20 | .20 | |
| X | 10c | multi | Marudi, w. unwmk | .20 | ||
| X | 15c | multi | harpy eagle, w. unwmk | .20 | ||
| X | 20c | multi | canje pheasant, w. unwmk | |||
| X | 25c | multi | cock of the rock, w. unwmk | .20 | ||
| X | 40c | multi | great kiskadee, w. unwmk | |||
| X | 50c | multi | Accouri, w. unwmk | |||
| X | 60c | multi | Tayassu tajacu, w. St Edwards crown & CA | — | — | |
| X | $1 | multi | Labba, w. unwmk | |||
| X | $2 | multi | armadillo, w. unwmk | |||
| X | $5 | multi | ocelot, w. unwmk |
1978, Sep 4 Science for Development issue wmk. lotus bud mult
| X | 10c | multi | George Gigliolo & mosquito | .20 | .20 | |
| X | 30c | multi | ||||
| X | 50c | multi | ||||
| X | 60c | multi |
1981, May 4 Liberation of Southern Africa Conference issue ovpted (no wmk info)
| - | $1.05 | on 10c (24) |
1985, Nov 4 Orchids 1985 f issue unwmk (16 stamps)
1986, Apr 4 Orchids 1986 b issue (5 stamps)
| - | 25c | multi | Renanthera lowii | |||
| - | 120c | multi | Odontoglossum roezlii | |||
| - | 150c | multi | Phalaenopsis casta | |||
| - | 225c | multi | Odontoglossum Grande | |||
| - | 350c | multi | Odontoglossum sanderianum |
1987, Dec 4 Guyana Railways b issue p. 12.75x12.5 (9 stamps)
| - | $1.20 | |||||
| - | $1.20 | |||||
| - | $1.20 | |||||
| - | $1.20 | |||||
| - | $3.30 | gray & blk | ||||
| - | $3.30 | gray & blk | ||||
| - | $3.30 | gray & blk | ||||
| - | $3.30 | gray & blk | ||||
| - | $3.30 | gray & blk |
1 to 50 of 221