Green’s Dictionary of Slang

marbles n.²

furniture.

1864, 1867, 1870		Hotten Sl. Dict. 176: marbles furniture, movables; ‘money and MARBLES,’ cash and personal effects.
1867		Trollope Claverings II 67: And you may be sure of this, she won’t get any money from me, unless I get the marbles for it [F&H].
1873		Sl. Dict.
1889–90		Barrère & Leland Dict. of Sl., Jargon and Cant.