"This is that written paper!"

8.3 cm high by 8.5 cm wide (3 ¼ by 3 ⅜ inches)

John McLenan

Dickens's A Tale of Two Cities, Book III, Chapter 9 ("The Game Made")

The twenty-sixth installment of the novel appeared in Harper's Weekly (29 October 1859): 701; it had originally appeared in the UK on Saturday, 22 October in All the Year Round.

The Victorian Web