Stamp catalog [Theme: Inventions | Year: 1973] [1/2] : Colnect 📮
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Stamp catalog › Stamps (Theme: Inventions, Year: 1973)
Dr George Papanikolaou (1883-1962)
- Country:
- Greece
- Series:
- Dr George Papanikolaou
- Catalog codes:
- VisitColnectCom
- Themes:
- Cancer (Disease) | Diseases | Famous People | Healthcare | Inventions | Medical Science | Physicians | Scientists
- Issued on:
- CopyWrong
- Size:
- 31 x 44 mm
- Colors:
- Multicolor
- Watermark:
- Greek Crown Multiple [Up]
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- comb 13 x 14
- Printing:
- Offset lithography
- Face value:
- 2.50 ₯ - Greek drachma
- Print run:
- 4,400,000
- Score:
- 19% Accuracy: Very High
- Related items:
- 1 (See)
- Description:
- Dr George Papanikolaou was a prominent Greek pioneer in cytopathology and early cancer detection. He invented the "Pap smear" test.
- Buy Now:
- 6 sale offers from US$ 0.12
Dr George Papanikolaou (1883-1962)
- Country:
- Greece
- Series:
- Dr George Papanikolaou
- Catalog codes:
- Mi:GR 1156, Sn:GR 1098, Yt:GR 1133, Sg:GR 1257, AFA:GR 1174, Kar:GR 1272, Un:GR 1133
- Themes:
- Cancer (Disease) | Diseases | Famous People | Healthcare | Inventions | Medical Science | Physicians | Scientists
- Issued on:
- 1973-08-10
- Size:
- 31 x 44 mm
- Colors:
- Multicolor
- Watermark:
- Greek Crown Multiple [Up]
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- comb 13 x 14
- Printing:
- Offset lithography
- Face value:
- 6.50 ₯ - Greek drachma
- Print run:
- 629,253
- Score:
- 51% Accuracy: Very High
- Related items:
- 2 (See)
- Description:
- Dr George Papanikolaou was a prominent Greek pioneer in cytopathology and early cancer detection. He invented the "Pap smear" test.
- Buy Now:
- 3 sale offers from US$ 0.29
Stephenson’s Rocket and Buddicom Engine
- Country:
- Mali
- Series:
- Locomotives
- Catalog codes:
- Mi:ML 401, Sn:ML C195, Yt:ML PA194, Sg:ML 403
- Themes:
- Inventions | Locomotives | Railways
- Issued on:
- 1973-10-08
- Colors:
- Multicolor
- Designers:
- Michel Monvoisin | Michel Monvoisin (E)
- Printers:
- Imprimerie Des Timbres-Poste, Paris
- Format:
- Stamp
- Emission:
- Air Post
- Perforation:
- comb 13
- Printing:
- Recess
- Face value:
- 100 MAF - Malian franc
- Score:
- 83% Accuracy: Medium
- Buy Now:
- 1 sale offer for US$ 2.35
Rudolf Diesel
- Country:
- Niger
- Series:
- The 60th anniversary of the death of Rudolf Diesel
- Catalog codes:
- Mi:NE 395, Sn:NE 283, Yt:NE 286, Sg:NE 496
- Themes:
- Anniversaries and Jubilees | Engineers | Inventions | Inventors
- Issued on:
- 1973-09-07
- Colors:
- Grey | Multicolor
- Designers:
- Jean Pheulpin (E)
- Printers:
- Imprimerie Des Timbres-Poste, Paris
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- 13 x 12¾
- Printing:
- Recess
- Face value:
- 25 CFA - West African CFA franc
- Score:
- 72% Accuracy: Low
- Buy Now:
Marconi's Spark Coil and Spark Gap
- Country:
- United States of America
- Series:
- Electronics Progress Issue
- Catalog codes:
- Mi:US 1113, Sn:US 1500, Yt:US 994, Sg:US 1505
- Themes:
- Inventions
- Issued on:
- ColnectScrp
- Size:
- 40 x 25 mm
- Colors:
- Multicolor
- Watermark:
- No Watermark
- Designers:
- Walter and Naiad Einsel
- Printers:
- Bureau of Engraving & Printing
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- line 11
- Printing:
- Offset lithography and Recess
- Face value:
- 6 ¢ - United States cent
- Print run:
- 53,000,000
- Score:
- 16% Accuracy: Very High
- Related items:
- 4 (See)
- Buy Now:
- 15 sale offers from US$ 0.07
Transistors and Printed Circuit Board
- Country:
- iInfringe
- Series:
- CopyWrong
- Catalog codes:
- Mi:US 1114, Sn:US 1501, Yt:US 995, Sg:US 1506
- Has minor variants: 2
- Themes:
- from colnect.com
- Issued on:
- 1973-07-10
- Size:
- CopyWrong
- Colors:
- CopyWrong
- Watermark:
- from colnect.com
- Designers:
- CopyWrong
- Printers:
- iInfringe
- Format:
- CopyWrong
- Emission:
- ColnectScrp
- Perforation:
- VisitColnectCom
- Printing:
- ColnectScrp
- Face value:
- ColnectIsBest
- Print run:
- ColnectScrp
- Score:
- VisitColnectCom
- Related items:
- VisitColnectCom
- Buy Now:
- CopyWrong
Early Radio Equipment
- Country:
- United States of America
- Series:
- Electronics Progress Issue
- Catalog codes:
- Mi:US 1115, Sn:US 1502, Yt:US 996, Sg:US 1507
- Has minor variants: 1
- Themes:
- Inventions | Radio | Technology | Telecommunication | Television
- Issued on:
- ColnectScrp
- Size:
- 40 x 25 mm
- Colors:
- Multicolor
- Watermark:
- No Watermark
- Designers:
- Walter and Naiad Einsel
- Printers:
- Bureau of Engraving & Printing
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- line 11
- Printing:
- Offset lithography and Recess
- Face value:
- 15 ¢ - United States cent
- Print run:
- 39,000,000
- Score:
- 14% Accuracy: Very High
- Related items:
- 4 (See)
- Description:
- from colnect.com
- Buy Now:
- 16 sale offers from US$ 0.04
De Forest Audions (1915)
- Country:
- United States of America
- Series:
- Electronics Progress Issue
- Catalog codes:
- from colnect.com
- Has minor variants: 2
- Themes:
- Inventions | Technology
- Issued on:
- VisitColnectCom
- Size:
- 40 x 25 mm
- Colors:
- Multicolor
- Watermark:
- No Watermark
- Designers:
- Walter and Naiad Einsel
- Printers:
- Bureau of Engraving & Printing
- Format:
- Stamp
- Emission:
- Air Post
- Perforation:
- line 11
- Printing:
- Photogravure
- Paper:
- Tagged
- Face value:
- 11 ¢ - United States cent
- Score:
- 16% Accuracy: Very High
- Related items:
- 4 (See)
- Buy Now:
- 15 sale offers from US$ 0.04
De Forest Audions (1915)
- Country:
- ColnectIsBest
- Series:
- iInfringe
- Catalog codes:
- VisitColnectCom
- Minor variant of #101944
- Themes:
- from colnect.com
- Issued on:
- 1973-07-10
- Size:
- VisitColnectCom
- Colors:
- VisitColnectCom
- Watermark:
- CopyWrong
- Designers:
- from colnect.com
- Printers:
- iInfringe
- Format:
- VisitColnectCom
- Emission:
- VisitColnectCom
- Perforation:
- ColnectScrp
- Printing:
- from colnect.com
- Paper:
- ColnectIsBest
- Face value:
- ColnectScrp
- Score:
- CopyWrong
- Description:
- Olive omitted
- Buy Now:
- CopyWrong
Transistors and Printed Circuit Board
- Country:
- United States of America
- Series:
- Electronics Progress Issue
- Catalog codes:
- Sn:US 1501a, Sg:US 1506a
- Minor variant of #93027
- Themes:
- Inventions | Radio | Telecommunication
- Issued on:
- 1973-07-10
- Size:
- 40 x 25 mm
- Colors:
- Multicolor
- Watermark:
- No Watermark
- Designers:
- Walter and Naiad Einsel
- Printers:
- Bureau of Engraving & Printing
- Format:
- Stamp
- Emission:
- Commemorative
- Perforation:
- line 11
- Printing:
- Offset lithography and Recess
- Face value:
- 8 ¢ - United States cent
- Score:
- 57% Accuracy: Very Low
- Description:
- iInfringe
- Buy Now: