Mr. Belin. I have now marked this envelope, which was formerly a part of Commission Exhibits 543 and 544 with a separate Commission Exhibit No. 717, and I believe you testify now that Commission Exhibit 544 was the other shell that was in the envelope which has now been marked as Commission Exhibit No. 717.

Mr. Day. Yes.

Mr. Belin. Does that cartridge case, Exhibit 544, have your name on it again?

Mr. Day. It has my name on the small end where the slug would go into the shell.

Mr. Belin. Are all of the three shells of the same caliber?

Mr. Day. Yes, sir.

Mr. Belin. Is there any other testimony you have with regard to the cartridge cases themselves?

Mr. Day. No, sir.

Mr. Belin. Can you explain how you processed these shells for fingerprints?

Mr. Day. With black fingerprint——