The Post Office Dept. issued its first penny postal card in May of 1873.
|US Postal Department-issued penny postcard|
Except during WWI, postal cards were 1 cent until 1952, hence the name “penny postcard”
In 1994 the first postal card sets featuring collectible artwork were introduced. These are sold in packets or booklets of 10 or 20 and the postage matches the design.
Do you use postal-issued postcards?