Gwen L. Kelso, 77, a silver expert and appraiser whose clients included private collectors, museums, law enforcement agencies and the U.S. Navy, died May 10 at the Good Samaritan assisted living facility in Silver Spring.
She had cancer, said her sister-in-law Madaline Kelso.
Ms. Kelso ran the Rampant Lion, her appraisal, buying and selling, and consulting service, for about three decades from her longtime home in the District. Her specialties included antique sterling.
She worked over the years with institutions including the Smithsonian National Air and Space Museum, George Washington’s Mount Vernon estate and the State Department. She cleaned, researched and appraised the presentation silver on U.S. Navy ships and trained Navy personnel in the care and maintenance of the collection.
Ms. Kelso also lectured before private organizations on silver. Her memberships included the American Society of Appraisers and the Appraisers Association of America.
Gwendolyn Lee Kelso was a Washington native and a graduate of Roosevelt High School. She became interested in silver while working part time in a jewelry and silver shop in Georgetown.
She was a member of St. Alban’s Episcopal Parish in the District.
She had no immediate survivors.
— Emily Langer