(Note: Measurements are outside max. dimensions unless stated otherwise).
19th Century : Rococco escutcheon.
OUTSIDE
Height 134mm. (5 1/4")
Width 16mm. (5/8")
Thickness (variable) 4mm. (3/16")
KEYHOLE
Height 16mm. (5/8")
Diam. of hole 8.5mm. (5/16")
Width at narrowest part of neck 4mm. (3/16")
Width at base of taper 5mm. (3/16")