Geological Investigations 1980
Now showing: DDR - Postage stamps - 1980 - Geological Investigations - 4 stamps.
1980
Geological Investigations
11. November WM: None Perforation: 13 x 12½
![[Geological Investigations, type ]](https://www.stampworld.com/media/catalogue/DDR/Postage-stamps/2299-b.jpg)
| No. | Type | D | Color | Description |
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| 2299 | CEC | 20Pfg | multicoloured | (3.500.000) | 0.52 | - | 0.26 | - | USD |
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| 2300 | CED | 25Pfg | multicoloured | (3.500.000) | 0.52 | - | 0.52 | - | USD |
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| 2301 | CEE | 35Pfg | multicoloured | (3.500.000) | 0.52 | - | 0.52 | - | USD |
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| 2302 | CEF | 50Pfg | multicoloured | (3.500.000) | 0.78 | - | 0.78 | - | USD |
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| 2299‑2302 | Block of 4 | 3.12 | - | 2.60 | - | USD | |||||||||||
| 2299‑2302 | 2.34 | - | 2.08 | - | USD |
