Mr. Briggs specializes in U.S. Coins and is an authority in Numismatic Research. He is the Author of "The Comprehensive Encyclopedia of U.S. Liberty Seated Quarters" and currently serves SEGS as an authenticator, grader and a finalizer. 

Numismatic Information and Accomplishments
Collector since 1954 
Annual Contributor to "A Guide Book of U.S. Coins" (The Red Book) Yeoman and (The Blue Book) as well as most major numismatic publications.

Instructor at the American Numismatic Association Summer Seminar teaching courses in the field of U.S. Liberty Seated and Bust Coin Varieties. President of American Numismatic Association Authentication Bureau-Authentication Committee-Colorado Springs, Colorado. Vice President of Liberty Seated Club 
Quarterly Contributor to: U.S. Trends-Coin World Magazine (Amos Press), Sidney Ohio & U.S. Trends-Numismatic News (Krause Publications), Iola, Wisconsin. 

Credit Contributing Author of : U.S. Seated Half Dimes (Blythe), U.S. Seated Dimes (Greer), U.S. Seated Half Dollars (Wiley/Bugert), U. S. Silver Dollars, 1794-1935 (Borchardt/Bowers), U. S. Silver Dollars (Highfield). 
Credit Contributing Author of: A Collectors Guide to Misplaced Dates (K. Flynn), Shield Nickel Series, (E. Fletcher Jr.), Complete Guide to Shield and Liberty Nickels, (Peters and Mahon), Treasure Hunting Liberty Nickels (Flynn and Van Note), Treasure Hunting Buffalo Nickels, (Wexler, Pope, and Flynn), Treasure Hunting Mercury Dimes, (Wexler, Flynn), World Coins 19th Century, (Krause), 2,000 Standard catalogue of World Coins (Krause).

Literary Award 1983 and 1984 for "Best Article" by The Liberty Seated Collectors Club. "The Kamal M. Ahwash Plaque" award 1994 for best literary article by The Liberty Seated Collectors Club. 

NUMISMATIC AFFILIATIONS
Life Memberships:

American Numismatic Association, Florida United Numismatic Association, Indiana State Numismatic Association, Penn-Ohio Numismatic Association, Michigan State Numismatic Association, John Reich Society (Gold Silver coinage 1794-1839), C.O.N.E.C.A. (Error Coinage), PAK (Modern Nickels and Dimes), Central States.

Annual Memberships:

Texas Numismatic Society, Alabama Numismatic Society, Barber Society-Barber Coinage, Liberty Seated Coin Club-Liberty Seated Coinage, Early American Coinage-U. S. Colonial & Copper Coinage, Fly In Club, Flying Eagle & Indian Head Cents, Doubled Die Society, I.C.T.A., and Colonial Coin Collectors Club (C-4).