The 50th Year of the International Chemistry Olympiad
Issue number
664
Date of issue
15.06.2018
Face value
1.25 €
Sell price
0.64 €
- Stamp dimensions
- 26.5 x 44.1 mm
- Form of printing sheet
- TL
- Stamps per sheet
- 50
- Stamps in set
- 1
- Printer
- Tiskárna Hradištko, s.r.o. in cooperation with PTC Prague, a.s.
- Printing technology
- Offset
- Circulation
- 200 000