Category
page 1Envelopes

envelope
thumb|upright=1.35|alt=Front of an envelope mailed in the U.S. in 1906, with a postage stamp and address|Front of an envelope mailed in the U.S. in 1906, with a postage stamp and address
thumb|upright=1.35|alt=Back of the above envelope, showing an additional receiving office postmark|Back of the above envelope, showing an additional receiving post office [[postmark]]
red envelope
monetary gift given in eastern Asia
first day of issue
postmark on a cover, postal card or stamped envelope franked on the first day the issue is authorized for use
sealing wax
material of a seal
postal stationery
stationery item with imprinted stamp
postal cover
outside of an envelope or package with an address and typically postage stamps that have been cancelled
illustrated stamped envelope
Overprinting
thumb|320px|
{| width="95%"
| width="5%" |
! width="35%" align="center" | Knock-outwithout trapping
! width="35%" align="center" | Knock-outwith trapping
! width="25%" align="center" | Overprinting
|}
Comparison of a [[Knock-out (printing)|knock-out with and without trapping, and overprinting for perfect and imperfect registration.
Green envelope
Malay adaptation of the Chinese red envelope custom
Mulready stationery
first postal stationery, 1 May 1840