Stamps of Nepal, 12 base day
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postage
1973, Mar 12 85th Anniversary of the Birth of Baburam Acharya issue unwmk (no perf info)
| - | 25p | graybrn & redpur | Baburam Acharya |
1979, May 12 Lumbini Year 1979 issue
| - | 1r |
1988, Sep 12 25th Anniversary of National Red Cross issue
| - | 1r | redbrn & dkbrnred | .20 |
1990, Apr 12
| - | 60p | bl & blk | temple of Manakamana | .20 | .20 |
1997, Apr 12
| - | 2r | multi | .20 | .20 |
2006, Jun 12 Bio-diversity series (5 stamps)
2007, Apr 12 orchids (2007 Nepal) (16 stamps)
| - | 10r | multi | Satyrium nepalese D. Don | — | — | |
| - | 10r | multi | Dendrobium heterocarpum Wall ex Lindl | — | — | |
| - | 10r | multi | Pelatantheria insectifera | — | — | |
| - | 10r | multi | Coelogyne ovalis Lindl | — | — | |
| - | 10r | multi | Coelogyne cristata Lindl | — | — | |
| - | 10r | multi | Dendrobium chrysanthum | — | — | |
| - | 10r | multi | Phalaenopsis mannii | — | — | |
| - | 10r | multi | Dendrobium densiflorum Lindl | — | — | |
| - | 10r | multi | Esmeralda clarkei Reichenb. F. | — | — | |
| - | 10r | multi | Acampe rigida | — | — | |
| - | 10r | multi | Bulbophyllum leopardinum (Wall.) Lindl | — | — | |
| - | 10r | multi | Dendrobium fimbriatum Hook | — | — | |
| - | 10r | multi | Arundina graminifolia (D.Don) Hochr | — | — | |
| - | 10r | multi | Dendrobium moschatum (Buch-Ham) Swartz | — | — | |
| - | 10r | multi | Rhynchostylis retusa | — | — | |
| - | 10r | multi | Cymbidium devonianum Paxton | — | — |
2010, Dec 12 Sadhana Adhikari issue
| - | 5r | multi |
2010, Dec 12 Mai Pokhari issue
| - | 2r | multi | .20 | .20 |
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