| Added by |
 Iordache Gabriel
|
| General Description : | Series: Sand and Sun Clocks from the State Mathematical-Physical Sal |
| Face value | 20 Pf. - East German pfennig |
| Catalog code (Michel) | DD 2798 |
| Catalog code | Stamp Number DD 2345; Yvert et Tellier DD 2441; Stanley Gibbons DD E2515; AFA number DD 2487; Unificato DD 2798 |
| Series | Ceasuri de nisip și soare de la Statul Matematico-Fizic Sal - Germania, Republica Democrată (DDR) 1983 |
| Place in series | 3 |
| Stamp colour | Multicolor |
| Stamp use | Commemorative stamp |
| Print run | 24.800.000 |
| Issue date | 07/06/1983 |
| Designer | Joachim Rieß |
| Paper type | Stamp |
| Print technique | Photogravure |
| Printed by | Deutsche Wertpapierdruckerei (VEB) |
| Perforation | comb 14 |
| Height | 43.00 mm |
| Width | 26.00 mm |
| Catalog prices | No catalog prices set yet |
