There is no need to expound on the beautiful appearance or upon Thordarson quality - I'm just passing this along because it is unusual.
In the description copied below he says it is a mod transformer, which would explain the price, BUT I have checked the model number and it is definitely a plate transformer.THORDARSON Plate Transformer 3000VDC at 500mA T-15P21
https://www.ebay.com/itm/322625444383$1499.99 OBO
"For sale is one THORDARSON CHT SERIES 1690 WATT MODULATION TRANSFORMER T-15P21. We are unable to test this unit properly so its being sold As-Is for Parts. Being sold As-is cosmetically."