Bulgaria : Stamps [Theme: Inventions | Gum: Unknown | Printing: Offset lithography] : Colnect 📮
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Stamp catalog › Stamps (Gum: Unknown, Printing: Offset lithography)
Analysis of the Photoelectric State by Georgi Nadjakov
- Series:
- Europa (C.E.P.T.) 1994 - Discoveries and Inventions
- Catalog codes:
- Mi:BG 4121, Sn:BG 3828, Yt:BG 3555, Sg:BG 3973, Un:BG 4121
- Themes:
- C.E.P.T. - Europa | Discoveries | Inventions
- Issued on:
- from colnect.com
- Size:
- 33 x 22 mm
- Colors:
- Multicolor
- Watermark:
- No Watermark
- Designers:
- Konstantina Konstantinova
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- comb 14 x 13¾
- Face value:
- 3 лв - Bulgarian lev
- Print run:
- 1,000,000
- Score:
- 46% Accuracy: Very High
- Related items:
- 1 (See)
- Buy Now:
- 7 sale offers from US$ 0.05
Discovery of the Sixth Heart Sound by Ivan Mitev
- Series:
- CopyWrong
- Catalog codes:
- Mi:BG 4122, Sn:BG 3829, Yt:BG 3556, Sg:BG 3974, Un:BG 4122
- Themes:
- iInfringe
- Issued on:
- 1994-04-29
- Size:
- VisitColnectCom
- Colors:
- VisitColnectCom
- Watermark:
- ColnectScrp
- Designers:
- ColnectScrp
- Format:
- ColnectIsBest
- Emission:
- from colnect.com
- Perforation:
- ColnectScrp
- Face value:
- iInfringe
- Print run:
- ColnectIsBest
- Score:
- ColnectIsBest
- Related items:
- VisitColnectCom
- Buy Now:
- from colnect.com
100th anniversary of invention of the Diezel engine
- Series:
- Centenary of Diesel motors
- Catalog codes:
- Mi:BG 4300, Sn:BG 4001, Yt:BG 3740, Sg:BG 4155, Un:BG 4300
- Themes:
- Inventions | Ships
- Issued on:
- from colnect.com
- Size:
- 39 x 29 mm
- Colors:
- Multicolor
- Designers:
- Oleg Gochev
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- comb 13¼ x 13
- Face value:
- 80 лв - Bulgarian lev
- Print run:
- 320,000
- Score:
- 31% Accuracy: High
- Buy Now:
- 4 sale offers from US$ 0.09
Display with "@" Sign
- Series:
- Bulgaria and the Information Society
- Catalog codes:
- Mi:BG 4509, Sn:BG 4180a, Yt:Unlisted, Sg:Unlisted
- Themes:
- Computer Sciences | Computers | Inventions
- Issued on:
- 2001-03-01
- Size:
- 44 x 29 mm
- Colors:
- Multicolor
- Designers:
- Krasimir Andreev
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- Harrow 13
- Face value:
- 0.22 лв - Bulgarian lev
- Score:
- 90% Accuracy: Medium
- Description:
- from colnect.com
- Buy Now:
John Atanassov, Computer Scientist
- Series:
- Bulgaria and the Information Society
- Catalog codes:
- Mi:BG 4510, Sn:BG 4180b, Yt:Unlisted, Sg:Unlisted
- Themes:
- Computer Sciences | Inventions | Inventors | Physicists | Scientists
- Issued on:
- iInfringe
- Size:
- 44 x 29 mm
- Colors:
- Multicolor
- Designers:
- Krasimir Andreev
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- Harrow 13
- Face value:
- 0.65 лв - Bulgarian lev
- Score:
- 90% Accuracy: Medium
- Description:
- Stamp from souvenir sheet
John Vincent Atanasoff, OCM, (October 4, 1903 – June 15, 1995) was an American physicist and inventor, best known for being credited with inventing the first electronic digital computer. - Buy Now:
Information Technology
- Series:
- Bulgaria and the Information Society
- Catalog codes:
- iInfringe
- Themes:
- Computer Sciences | Computers | Inventions | Inventors | Physicists | Scientists
- Issued on:
- from colnect.com
- Size:
- 82 x 96 mm
- Colors:
- Multicolor
- Designers:
- Krasimir Andreev
- Format:
- Souvenir Sheet
- Emission:
- Commemorative
- Perforation:
- Harrow 13
- Face value:
- 0.87 лв - Bulgarian lev
- Print run:
- 25,000
- Score:
- 76% Accuracy: Medium
- Buy Now:
- 2 sale offers from US$ 3.53





