Talk:Inverted Swan

Earliest error!
The "Inverted Swan" certainly was one of the earliest known inverted errors. However, it appears that the "Inverted Head 4 Annas" of India was the earliest example."The 4d Inverted Frames of Western Australia, 1855" Washington, 2006 —Preceding unsigned comment added by Fconaway (talk • contribs) [21:04, February 21, 2007]