Up for sale is this excellent working and cosmetic condition QJE meter adjust switching power supply, model number PS50SWIII.  This was purchased new but the box and instructions are missing.  Again, this is in excellent condition and would easily pass for new.  Please see the pictures.  Shipping is $14.95 anywhere in the 48 continental United States.  We only ship to U.S. addresses in the 48 continental United States on this item.  Returns are always accepted if you are not satisfied.  Payment is expected within 7 days.  Thanks for looking.