Scarce Bombing Direction Indicator Mk1 9/3369 signed by Wing Commander John Bell of 617 Squadron.
Serial number 319/43. These were fitted to 617 Squadron Lancasters that were equipped with the rare Stabilised Automatic Bomb Sight (SABS). This sight was used to drop Tallboy bombs on the Tirpitz and later to drop the 10 Ton Grand Slam bomb.
SOLD P221031