Stamps of Guyana, 6th of any month of any year
1 to 50 of 417
postage
1967, Nov 6 Christmas 1967 issue unwmk (no perf info)
| X | 5c | olgrn & multi | Millie the bilingual parrot | .20 | .20 | |
| X | 25c | dkpur & multi | Millie the bilingual parrot | .20 |
1980, May 6 London 1980 issue - fishes (1980 Guyana) wmk. crown & CA spiral (12 stamps)
| - | 35c | Centropomus undecimalis | — | — | ||
| - | 35c | Hoplias malabaricus | — | — | ||
| - | 35c | Electrophorus electricus | — | — | ||
| - | 35c | Rivulus urophthalmus | — | — | ||
| - | 35c | Nannostomus beckfordi | — | — | ||
| - | 35c | Anableps anableps | — | — | ||
| - | 35c | Serrasalmus nattereri | — | — | ||
| - | 35c | Loricaria cataphracta | — | — | ||
| - | 35c | Manta birostris | — | — | ||
| - | 35c | Chichlasoma festivum | — | — | ||
| - | 35c | Arapaima gigas | — | — | ||
| - | 35c | Cichla ocellaris | — | — |
1981, May 6 Royal Wedding 1981 issue ovpted (no wmk info)
| - | $3.60 | on 5$ (8) | ||||
| - | $7.20 | on 1$ (29) |
1983, Dec 6 Olympics 1984 in 1983 issue wmk. lotus bud mult
| - | 1234 | multi | ||||
| - | 1234 | multi |
1984, Sep 6 40th Anniversary of International Civil Aviation Organization issue (23 stamps)
1984, Sep 6 1984 surcharges k issue ovpted (9 stamps)
| - | 20c | on 15c (60) | .20 | |||
| - | 20c | on 15c (60) | .20 | |||
| - | 20c | on 15c (60) | .20 | |||
| - | 60c | on 110c (32) | ||||
| - | 120c | on 125c (12) | ||||
| - | 120c | on 125c (12) | ||||
| - | 120c | on 125c (12) | ||||
| - | 120c on 140c | multi | ++on=1$, w. lotus bud mult | |||
| - | 130c | on $1.10 (32) |
1 to 50 of 417