Grinnell Discussion

A Discussion of Hawaii Missionary Stamps and the Grinnells

Do It Yourself Expertisation

Some simple steps you can take to help determine if a cover has been faked or altered.

A Great Salt Lake City Forged Cover

A cover believed to have been manufactured by Mark Hofmann.

Expertising The Consul Klep Cover

An analysis I did of the Consul Klep cover before it was offered by Siegel's in their sale of the Zoellner collection showing why it was fake.