AO-4215, 2007, Holiday Knits, Deer, Standard Postmark, FDC, SC 4215, Add on, Booklet
Add-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.