A STEEL MASTERPIECE LOCK AND KEY

Details
A STEEL MASTERPIECE LOCK AND KEY
FRENCH, EARLY 18TH CENTURY

The oblong lock with a central 'secret' door concealing the keyhole faced with stylised strapwork flanked by similar panels ----- 7½in. (19cm.) x 4¼in. (10.7cm.) x 3½in. (8.8cm.); the turret key with pierced handle with knopped finial and with elaborate comb-shaped bit (2)
Literature
H. R. d'Allemagne, Decorative Antique Ironwork: A Pictorial Treasury, New York, 1968, pl. 48, for a similar type of lock and key