Stamp: "Pro Aero 1941" (Switzerland(Special flight "Pro Aero") Mi:CH 395,Sn:CH C35,Yt:CH PA34A,Sg:CH 423,Un:CH A34A,Zum:CH F35,Col:CH 1941.05.12-01 📮
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Stamp catalog : Stamp › "Pro Aero 1941"

- Country:
- Switzerland
- Series:
- Special flight "Pro Aero"
- Catalog codes:
- Michel CH 395
Stamp Number CH C35
Yvert et Tellier CH PA34A
Stanley Gibbons CH 423
Unificato CH A34A
Zumstein CH F35
Colnect codes CH 1941.05.12-01 - Has minor variants: 1
- Themes:
- Aircraft | Aviation | Landscapes | Mountains
- Issued on:
- 1941-05-12
- Expiry date:
- 1941-05-28
- Size:
- 26 x 21 mm
- Colors:
- Dark blue green
- Designers:
- Albert Yersin
- Format:
- Stamp
- Emission:
- Air Post
- Perforation:
- comb 11¾
- Printing:
- Recess
- Paper:
- dull yellow
- Face value:
- 1 Fr. - Swiss franc
- Print run:
- 160,264
- Score:
- 81% Accuracy: Very High
- Description:
- Red overprint "PRO AERO 1941" on MiNr. CH 392 in different color. Only valid for the special flight on 28 may 1941 between Buochs (canton Nidwalden) & Payerne (canton Waadt) in both directions
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Minor Variants:
Catalog codesPicturesDifferences
- Zum:CH F35A1
Col:CH 1941.05.12.01a-- Name:
- "Pro Aero 1941" - Shifted overprint
- Themes:
- Aircraft | Aviation | Lakes | Landscapes | Mountains
- Description:
- The overprint is offset to the left or right
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