Green’s Dictionary of Slang

skin n.2

[? skin n.1 (4a)]

a sovereign.

[UK]Farmer & Henley Sl. and Its Analogues.

In phrases

for skins (adv.)

(Irish) at all, in any way.

[Ire]H. Leonard Out after Dark n.p.: To be punished for my faith [...] made a nice change from being told I that I could not dance for skins or was a rotten court [BS].