Green’s Dictionary of Slang

the price.

1885		Edinburgh Eve. News 26 Dec. 3/5: ‘Ecrip’ means price [...] if a stranger asks for the ‘ecrip’ of a thing he will be [...] ‘in the know’ — another idiom.
2011		Spitalfields Life 18 Nov. 🌐 The ecrip. Did you hear me say, how’s the ecrip? That’s “price” backwards, so that you didn’t know what I was talking about.