Block size in accordance with the OBP. This block is more common without a postmark, resulting in blocks with a postmark being appreciated significantly higher. This block has 2 similar, but not identical, occasional postmarks and is therefore even rarer. The extra postmark is a curiosity.
Catalogue value € 725.00 (OBP 2021), without taking the extra postmark into account.
- Geographic Origin
- Short Description
- ‘Tassis’ block - World Exhibition Brussels
- Year of oldest stamps
- Name official catalogue
- OBP / COB
- Catalogue Number
- BL4 MET 2 STEMPELS / curiositeit
- MNH (Mint never hinged)
- Has certificate or expert signature
- Famous people