Green’s Dictionary of Slang

poddy calf n.

[rhy. sl.; ult. see next]

(Aus.) half-a-crown, 2s 6d (12½p).

1945		Baker Aus. Lang.
1960		J. Franklyn Dict. Rhy. Sl.
1972		Dodson & Saczek Dict. of Cockney Rhy. Sl.