Box of Chooks

Australian colloquial; a block of 30 Emu Export beer cans, commonly used as currency in Western Australia in lieu of cash for small jobs or swap of goods.

Chiefy: Here, cob you can have my spare vape ...

Me: I don't have any cash on me, fella ...

Chiefy: No worries, just drop off a Box of Chooks when you get a chance ...