Established 35 years ago servicing Pittsburgh, Allegheny County, Beaver County, Butler County, & surrounding areas. Member of The Pennsylvania Auction Association, National Auction Association, Auction Marketing Institute Graduate, Master Personal Property Appraiser, Real Estate License Lynda K. Johnson & Mark Giles have over 60 years of combined experience, including over 3,000+ auctions of estate assets, consignments, business liquidations, classic automobiles and real estate transactions. The Johnson Auction Service (JAS) solution provides clients: An impartial medium to serve as arbitrator between seller and buyer Lynda and Mark's extensive education, experience, and acquired knowledge of the marketplace