<#precancel=Precancels> produced from an electro printing plate with the city and state designation between double lines above and below.

the layout of a <#plate>; that is, the relationship of the elements on a plate, especially of the <#pane=panes>, to each other.

A <#perf=perforator> that applies lines of perforation holes in only one direction.

<#uspod=USPOD> employee responsible for receiving and accounting for deliveries of completed stamps from nineteenth century private security printers and sending them to post offices as needed.

a painting or drawing in which thin layers, or washes, of watercolors or India ink are used.