Corgi Toys 267 Batman Batmobile 107 Batboat Beacon Cage with Beacon.
Gold Plated plastic moulded replacement part. Fits over the small dome section of the window unit. The beacon is an added red plastic piece that fits inside the raised dome on the window unit.
Also suits the early Corgi Toys 107 Batboat which has the raised dome in red plastic in front of the rear fin.