Dioptase crystals 1.50 $ — Angola, 1970
Dioptase crystals (Angola, 1970), face value 1.50 $, “Geology, mineralogy, paleontology” series. Photo, catalogue value, details and photo identification.
- Series
- Geology, mineralogy, paleontology
- Issue date
- 1970
- Face value
- 1.50 $
- Colors
- Multicolor
- Yvert
- AO 562
- Michel
- AO 565
- Stanley Gibbons
- AO 684
- Scott
- AO 553