![Image of the stamp type D5z.](https://czechstamps.imgix.net/stamp-types-general/D5z.jpg?w=200&exp=1)
Stamp Type:
D5z
Postal Office: SOSNOVÁ / ZOSSEN
Stamp Number: 1a
Official Period Of Usage: 19190000 - 19200000
Personal Registration Of Usage:
19191128 to 19200206
Broken Text
Comment: Postmark also in blue or blue-green.
Registrations
Hradcany
Background For The catalogue
The catalogue is based on The Monografie Československých Známek Volume 16, 1 + 2, and Volume 17, 1 + 2.