A conventional symbol, of obscure origin, much used in commercial practice and occasionally in Indorsements on legal documents, signifying “correct,” “approved,” “accepted,” “satisfactory,” or “assented to.” See Getchell & Martin Lumber Co. v. Peterson, 124 Iowa, 599, 100 N. W. 550; Morgan-ton Mfg. Co. v. Ohio River, etc., Ry. Co., 121 N. C. 514, 28 S. B. 474, 61 Am. St. Rep. 679; Citizens’ Bank v. Farwell, 56 Fed. 570, 6 C. C. A. 24 ; Indianapolis, D. & W. ft. Co. v. Sands, 133 Ind. 433, 32 N. E. 722.