deal suit, n. — Green’s Dictionary of Slang

deal suit n.

[SE deal, a form of pine wood from which cheap coffins are constructed]

a cheap coffin, as supplied by the parish (rather than purchased through an undertaker).

1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.
1890–1904		Farmer & Henley Sl. and Its Analogues.