Mr. Cole. Yes; it is.

Mr. Eisenberg. Can you account in any way for the discoloration of the card 820?

Mr. Cole. The discoloration is characteristic of that which has previously been observed as resulting from treating a document with a solution of silver nitrate. Such treatment is sometimes done in the hope of developing latent fingerprints, and this treatment could be, and probably is, the explanation for the elimination of a line of writing on the line for signature above the title "Chapter President."

Mr. Eisenberg. Were you able to make out whether any writing had appeared in the space which is now blank on Exhibit 820, making provision for the——

Mr. Cole. Yes; it is——

Mr. Eisenberg. Excuse me, making provision for the chapter president's signature?

Mr. Cole. Yes; there is barely enough showing to indicate that there was a line of writing there at one time.

Mr. Eisenberg. Could you tell whether it was the same as the signature "A. J. Hidell"?

Mr. Cole. It conforms generally to the signature "A. J. Hidell," that is, the form shown by the photograph, Exhibit 819.

Mr. Eisenberg. Have you taken a photograph of 819?