Countersign
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
The signature of a secretory or other subordinate officer to any writing signed hy the principal or superior to vouch for the authenticity of it.
Fifth Ave
Bank v. Railroad Co., 137 N. Y. 231, 33 N. E. 378, 19 In R. A. 331, 33 Am. St Rep. 712; Gurnee v. Chicago, 40 Iin 167; People v. Brie, 43 Hun (N. Y.) 326.