Size: Margin to margin measurements are 15 1/8 x 20 inches.

The top plate size is 6 1/2 x 11 3/4 inches.

The botton plate  measures 6 3/4 x 13 5/8 inches.

Next to last photo is the back of the engraving

Watermark in paper is a fleur-de-lis over a bunch of grapes, third photo from the last.The redness is from the light bulb heat.