Penny Black (Simple English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Penny Black" in Simple English language version.

Last modified: 07:39:02, 14 October 2021 (UTC)

Ref.Un. Ref.Website

Global rank Simple English rank

11firstissues.org

low place

low place

firstissues.org (Global: low place; Simple English: low place)

"Great Britain: Wednesday, May 6, 1840". First Issues Collectors Club. 2003-11-03. Retrieved 2013-04-30.