| Physicists & Astronomers: Paul Dirac & John Bardeen s/s MNH #ML1150 USD 2.5 Category : Science & Technology Seller : europolstamps(9032, 100.0%) | | Ghana 1989 World Communications Year OVPT - Souvenir Stamp Sheet Scott #1117 MNH USD 4.0 Category : Science & Technology Seller : imperialmintny(35979, 100.0%) |
| Ghana 1976 - Centenary of Telephone - Souvenir Stamp Sheet - Scott #605 - MNH USD 4.25 Category : Science & Technology Seller : imperialmintny(36120, 100.0%) | | Russia Soviet Timber Industry stamp 1981 MNH B-6 USD 3.99 Category : Science & Technology Seller : vicmorgen(23806, 99.7%) |
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| China PRC 1405-1409,MNH.Michel 1415-1419. Chemical fiber industry,1978. USD 9.0 Category : Science & Technology Seller : borisdlevitin(44002, 99.8%) | | Lollini M05 NIKOLA TESLA - Physics Science - 3 Sheets MNH 2018 USD 2.99 Category : Science & Technology Seller : goodman777-2008(15158, 99.3%) |
| Brazil 1338-1340 MNH Communications Radio ZAYIX 031222S57M USD 1.5 Category : Science & Technology Seller : zayix(5645, 99.9%) | | Sweden 1525a MNH Nobel Prize Medicine Complete Booklet USD 1.49 Category : Science & Technology Seller : smithfieldstamps(3251, 100.0%) |
| St Thomas - 2021 Pandemic & Dalai Lama - Stamp Souvenir Sheet - ST210718b USD 11.8 Category : Science & Technology Seller : lbphilatel(95337, 98.0%) | | Grenadines 1995 - Nobel Prize - Souvenir Stamp Sheet - Scott #1775 - MNH USD 4.25 Category : Science & Technology Seller : imperialmintny(35664, 100.0%) |
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| Peru Industry Oil Petroleum Derricks View stamp 1950 A-24 USD 3.99 Category : Science & Technology Seller : vicmorgen(23829, 99.7%) | | Suriname Scott #952-53 (220ct 1993) Set of 2 - USED USD 4.0 Category : Science & Technology Seller : mustafa12345(1829, 99.8%) |
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