Derbyshire Police Auctions are managed by the auction website Bumblebee - They are adding new auctions all the time so keep checking back here.
They have also used Eaton & Hollis and John Pye Auctions in the past to auction seized goods so check with them if you are looking for auctions locally.
Eaton & Hollis
Studio 1A, Ednaston Home Farm, Brailsford, Derbyshire, DE6 3AY
50 Chequers Road, West Meadows Ind. Est., Derby, DE21 6EN