Email Record: Certificate in favor of Substitute Soldier, mustered into the service by the [New York] County Substitute Committee, under the ordinance adopted by the Board of Supervisors, October 26, 1863, and approved by the Mayor, October 31, 1863. Reg. no. 5049, Certificate no. 5049. New York County Substitute Committee to the Hon. Matthew T. Brennan, Comptroller, &c.