Below is reproduced an item out of a catalog for an auction sale to be
held this week.  I have never heard of Duoland, it could be Duo-Art or
Durrand or another misprint, if so then, 250 seems over the top.

Viewing : 13th December 9am - 12 noon. 15th December 9am - 5pm.

Auction : 16th December 9am - 11am.

  100    A Mahogany and Box Strung "Duoland" Pianola, on tapered front
supports;  together with approximately 20 rolls of music, 4 ft. 10 in.
wide.  E30-35

  107    A 1940s Mahogany Cased Radio/gramophone, the lid opening to a
"His Master's  Voice" Bakelite set, with integral front speaker, on
castors 3 ft. 2 in. wide; and a  G.E.C. Receiver. 2 E50-70

  261    A Liberty Fabri

Brian Chesters