US2931559A
(en )
1960-04-05
Remailable billing envelopes
US2686005A
(en )
1954-08-10
Combination mailing and return envelope with pull-out for postal inspection
DE1396695U
(cs )
US1424837A
(en )
1922-08-08
Combined letter sheet
US807465A
(en )
1905-12-19
Manifold blank-book.
DE102020003949A1
(de )
2022-01-05
Mehrweg-Versandtasche, Briefumschlag zur mehrmaligen Verwendung
CH594531A5
(en )
1978-01-13
Posting date indication system on envelope
US1521417A
(en )
1924-12-30
Means for recording an address
DE1440285U
(cs )
CN2360265Y
(zh )
2000-01-26
设有信封面的信笺
DE1621267U
(de )
1951-03-22
Fensterbriefumschlag mit reklameaufdruck.
DE1483538U
(cs )
DE1404863U
(cs )
DE1610450U
(de )
1950-07-27
Doppelter briefumschlag.
DE1371614U
(cs )
DE1374144U
(cs )
DE1358569U
(cs )
DE1496760U
(cs )
DE1372181U
(cs )
DE1379824U
(cs )
McMaster
0
Cross-border Covers Between the US and Mexico, 1898-1902
DE1485961U
(cs )
DE7811791U1
(de )
1978-08-17
Flachbeutel mit Tasche zum Mitsenden einer Zustellungsurkunde
DE1430643U
(cs )
GB190013737A
(en )
1900-10-20
Improvements in Cards for Postal Purposes.