The 23rd International Geological Congress, Prague 1968
Now showing: Czechoslovakia - Postage stamps - 1968 - The 23rd International Geological Congress, Prague - 5 stamps.
1968
The 23rd International Geological Congress, Prague
8. August WM: None Sheetsize: 100 Design: Lukavský Jaroslav Engraving: Housa Bedřich Perforation: 11½
![[The 23rd International Geological Congress, Prague, type AVH]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/AVH-s.jpg)
![[The 23rd International Geological Congress, Prague, type AVI]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/AVI-s.jpg)
![[The 23rd International Geological Congress, Prague, type AVJ]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/AVJ-s.jpg)
![[The 23rd International Geological Congress, Prague, type AVK]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/AVK-s.jpg)
![[The 23rd International Geological Congress, Prague, type AVL]](https://www.stampworld.com/media/catalogue/Czechoslovakia/Postage-stamps/AVL-s.jpg)
| No. | Type | D | Color | Description |
|
|
|
|
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1806 | AVH | 30H | multicoloured | Adrspach Rocks and Hypophylloceras bizonatum (Ammonite) | (4.810.000) | 0.30 | - | 0.30 | - | USD |
|
|
|||||
| 1807 | AVI | 60H | multicoloured | Basalt Columns and Fossilised Frog | (4.690.000) | 0.30 | - | 0.30 | - | USD |
|
|
|||||
| 1808 | AVJ | 80H | multicoloured | Bohemian Paradise and Agate | (2.710.000) | 0.30 | - | 0.30 | - | USD |
|
|
|||||
| 1809 | AVK | 1Kc | multicoloured | Tatra Landscape and Chlamys gigas Shell | (2.990.000) | 0.59 | - | 0.30 | - | USD |
|
|
|||||
| 1810 | AVL | 1.60Kc | multicoloured | Barrandien (Bohemia) and Limestone | (650.000) | 1.78 | - | 0.89 | - | USD |
|
|
|||||
| 1806‑1810 | 3.27 | - | 2.09 | - | USD |
