Stamps, $20 denom
1 to 50 of 184
Guyana
postage1982, May 17 1982 surcharges i issue unwmk (no perf info)
| - | $20 | blk & ltgrn | ++on=2c |
1985, Oct 29 1985 surcharges f issue wmk. lotus bud mult
| - | $20 | multi |
1989, Nov 20 World Cup 1990 in 1989 issue unwmk p. 14x13.75
| - | $20 | multi | — | — |
1989, Dec 26 Christmas 1989 issue (no perf info)
| - | $20 | multi | — | — |
1990, May 3 150th Anniversary of the Penny Black / 500th Anniversary of Thurn and Taxis Postal Service issue p. 14.25 (18 stamps)
1990, Jul 15 Steam Locomotives 1990 issue p. 14x13.75
| - | $20 | multi | Great Western 4-6-0 Castle Class | — | — | |
| - | $20 | multi | — | — |
1990, Aug 1 Paintings 1990 issue
| - | $20 | multi | Presentation of Marie de Medici by Rubens | — | — | |
| - | $20 | multi | Virgin & Child by Titian | — | — |
1990, Oct 12 Fungi 1990 issue p. 13.75x14
| - | $20 | multi | Phallus impudicus | — | — |
1990, Oct 12 Ships 1990 issue
| - | $20 | multi | — | — |
1990, Oct 16 Orchids 1990 issue p. 14.25
| - | $20 | multi | Scuticaria hadwenii |
1991, Aug 12 Olympics 1992 in 1991 issue (no perf info) (18 stamps)
1993, Jun 8 18th World Scout Jamboree issue p. 14.25
| - | $20 | multi | .20 | .20 |
1994, Feb 18 International Stamp Exhibition "Hong Kong '94" - Hong Kong, China - Ch'ing Dynasty Snuff Boxes issue
| - | $20 | multi | ||||
| - | $20 | multi |
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