1568 in J. Small (1893) II. 307 He wald nocht mend thame worth ane plack.
1851 W. Anderson 133 Nae a preen nor a plack car't the Man o' the Well.
1878 C. Fleming 264 There's no ane left noo worth a plack.
1922 G. P. Dunbar 96 I carena a plack nor a farthin', nor baith.