The AFDCS offers its members a brochure on Estate Planned Giving. It outlines eight different methods for donations, along with advantages and disadvantages to the donor, and tax considerations for each method. This ten page brochure is available from the AFDCS central office:

The American First Day Cover Society
P.O. Box 16277,
Tucson, Arizona 85732-6277
afdcs@aol.com