1894 F.W. Benteen in Benteen-Goldin Letters 6 July (1991) 223: Besides being a ‘C.P.’ he was a ‘B.F.’ of first water.at BF, n.
1896 F.W. Benteen in Benteen-Goldin Letters 11 Jan. (1991) 238: Sorry for troubling you to read so much chicken tracks.at chicken tracks (n.) under chicken, n.
1896 F.W. Benteen in Benteen-Goldin Letters 12 Feb. (1991) 248: ‘No limits’ is apt to make pretty steep [poker] game, and it was [...] no ‘cuff’ went.at cuff, n.2