Tag Archives: Sinclair Aircraft

Sinclair Aircraft sign, $19,800, Matthews

Sinclair Aircraft sign, $19,800, Matthews

Sinclair Aircraft sign, $19,800, Matthews Gavels and Paddles Results of Recent Auctions From Around the World A rare Sinclair Aircraft double-sided porcelain sign with plane graphics, rated 7.9 out of 10 on both sides for condition, sold for $19,800 at an auction held September 14 by Matthews Auctions, LLC (based in Nokomis, IL) in Ina, […]