411 REFERENCE · Wiktionary
Penny Black
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
thumb|Queen Victoria Victoria on the Penny Black, the first national stamp
Etymology
From its color and face value.
Noun
Penny Black
en philately The world's first official national mail postage stamp, issued in 1840 in the United Kingdom as part of the postal reforms establishing a uniform penny post.