(Note: Measurements are outside max. dimensions unless stated otherwise).18th Century : Decorative oval escutcheon. OUTSIDE height 47mm. (1 13/16")Width 34mm. (1 5/16")Thickness (variable) 1mm. (1/16")Height from back to raised centre panel 3mm. (1/8")KEYHOLEHeight of hole 21mm. (13/16")Diam. of hole 9mm. (5/16")Width at narrowest part of neck 6mm. (1/4")Width at base of taper 8.5mm. (5/16")Raised central oval with worn engraving and raised lipped edge of keyhole. Outer edge of frame contains small bobbin decorationNote: Worn character casting.