Used Sennheiser HD280 for $51 [updated]

The closed-back over-ear Sennheiser HD 280 studio headphones are currently available in “Used – Like New” condition for $46 plus $5.50 flat shipping by Adgtron thru Amazon. These ship from Adgtron so they are not eligible for Prime free 2-day shipping benefits. The new condition price is around $83 at the moment. The refurbished option sold out.