McDonald, D. M. Certificate Exchange. D. M. McDonald deposited in the C. S. Depository Office $165 dollars of "Old Issue" Treasury Notes to be exchanged, on his order for two-thirds of the sum in "New Issue" Notes, under Act of Congress of February 17, 1864 when this office shall be supplied with funds for the purpose, and surrender of this Certificate $110 New Issue. Certificate Number 2496.