China National Science Conference no. J.25 mit never hinged with original gum.
See pictures from fron and back.
Shipping by DHL.
- Geographic Origin
- China - People's Republic since 1949
- From (Year of oldest stamps)
- MNH (Mint never hinged)
- Type of lot
- Set / series
- Has certificate or expert signature
- Additional information about your lot
- National Science Conference
- Name official catalogue
- Catalogue Number
- Block 11 (J.25)