Green’s Dictionary of Slang

lace curtain n.²

[rhy. sl.]

beer, orig. spec. Burton’s beer.

1972		Dodson & Saczek Dict. of Cockney Rhy. Sl.
1984		Partridge DSUE (8th edn) 661: since ca. 1930.
1992		R. Puxley Cockney Rabbit.