From BANKS & CO..
ENGRAVERS, LITHOGRAPHERS & GENERAL PRINTERS,
26, Waterloo Place,
April 5th 1864
I herewith send you a small copper plate ruled over with dotted lines, the texture is not very fine but could be made any degree of fineness that would be required. In trying a picture, do one that has no very small parts in it, the composition is ordinary Etching ground.