Hawaiian Island Stamp & Coin Incorporated 1973.
Hawaii Stamp and Coin Dealers Association since 1989.
Hawaiian Philatelic Society's Expertizing Committee since 1984.
Krause Publications' Standard Catalog of World Coins since 1980.
Health Literary Award for "The Overprinted Notes of World War II" published in The Numismatist, December 1991 for the 50th anniversary of the bombing of Pearl Harbor, and published again in December 2001 for the 60th anniversary of the bombing of Pearl Harbor.
Hawaiian Money Standard Catalog, 1978
Hawaiian Money Standard Catalog 2nd Ed., 1991
Antiques Roadshow, Honolulu, 2006