-40%
AO-C91, 1978, Wright Brothers, Add-on Cachet, First Day Cover, SC C91,
$ 2.11
- Description
- Size Guide
Description
AO-C91, 1978, Wright Brothers, Add-on Cachet, First Day Cover, SC C91, First FlightAdd-on cachet is:
A cachet design added to a cover which was originally uncacheted. An add-on cachet should be identified
by maker and date (mine are stamped on the back with the date) so that it is clear that it is not contemporary with the cover.