Please check the photos for grade, condition and hinging. No hidden faults noted. Red flag doubled variety. Per Liapine only one sheet known. Printed in sheets of 50. Thank you for your understanding. OTHER ITEMS: Sheets, albums, books, boxes, pages, collections, etc. Please refer to the item description. All payments must be in US funds. This item is in the category “Stamps\Europe\Russia & Soviet Union”. The seller is “sept93″ and is located in this country: US. This item can be shipped worldwide.
- Topic: Aviation
- Year of Issue: 1931-1940
- Certification: Raritan Stamps, Inc.
- Quality: Mint Never Hinged/MNH
- Grade: F/VF (Fine/Very Fine)
- Type: Error, Variety
- Place of Origin: Russia & Soviet Union