Switzerland
Bern print, 2nd period : medium to thick paper, green colored silk threads
| Country: | Switzerland |
| Type: | Postage stamps |
| Series: | Sitting Helvetia |
| Nominal: | 20 Swiss rappen |
| Year: | 1857 |
| Size: | 21 x 24 mm |
| Perforation: | Imperforate |
