U.S. First Day Cover Cachet Display Catalog
This is a new site I built and installed on 10-08-2019 which is an "on-line public free Philatelic Reference Resource" which will primarily display First Day Cover Cachets for many different U.S. releases, particularly my collection of U.S. Postal Card First Day Covers.
rec.collecting.stamps FAQ [Archive]
(Kaleb S. Keithley)
Not having been updated since 2004, the site is gone now and I can't find where it has moved to, if anywhere. The link is to how it looked in 2004.