truff, n. — Green’s Dictionary of Slang

truff n.

[SE truffle]

a purse.

1718		C. Hitchin Regulator 20: A Bit or Truff, alias Purse.
1719		A. Smith Lives of Most Notorious Highway-men, etc. (1926).
1768		(con. 1710–25) Tyburn Chronicle II in Groom (1999) xxix: A Bit or Truff A Purse.
1786		Whole Art of Thieving [as cit. 1768].