Cassel

Head post office opened in 1668.

Type 15

Small numerals

Type 16

Type 17

Type 18

Large numerals

Type 13 + small numerals

Type 15 + small numerals

Type 15 + large numerals

01/1852-18/6/1855

01/1852-12/1862

01/1863-28/04/1869

12/09/1875-03/11/1875

01/02/1876-03/1876

Type 17 + large numerals

Type 18 + large numerals

Type 16 + large numerals

24/07/1869-08/04/1875

Type 13

(Date format: DD/MM/YYYY)