It, however, exists with the overprint double.
"Gambia" by Frederick John Melville
The stamp is familiar to collectors with the overprint, and strictly speaking, without the overprint it has no record of postal use.
"The Postage Stamp in War" by Fred. J. Melville
The overprint in each case is in shiny black ink, the figure being 13 mm.
"Canada: Its Postage Stamps and Postal Stationery" by Clifton Armstrong Howes
In this case forged overprints have been added to genuine stamps.
"Peeps at Postage Stamps" by Stanley Currie Johnson
This is a starting point formulation for a overprint varnish based on an acrylic emulsion blend.
A Publisher's Dream: Never Overprint Again: Digital Printing in 2012.
Flint Group Narrow Web has introduced improved CombiScreen UV rotary screen inks designed especially for combination printing and formulated for extreme overprintability.