UPA103 · LOT 19644
Switzerland
20c surcharged on 25c light blue and deep blue in tête-bêche pair, fine used on small piece with slogan postmark.
- Country / area
- Switzerland
- Date
- 1921-30
- SG reference
- 315a
- Classification
- U
- SG catalogue value
- £20.00
- UPA estimate
- £10.00