Copper & Steel Plate Printing Office, 78, Margaret St. Cavendish Sqre W.
25 July 1866
By this post I have forwarded to you the old prf of your plate
Also 3 prfs since the plate has been steel surfaced
By renewing the surfa[ce] any number required can be printed
I am Yr Obt Ser
H Fox Talbot Esqre