stock in trade

In discussing literature, they spoke of the perennial stock-in-trade of the republic of letters—woman's sin.

This Combination Show—old stock-in-trade of one company, and cast-offs from another—ain't the best o' bisness arter all.

Nowadays to sally forth with their stock-in-trade on their backs or in a cart is no longer the practice of the workers.

Thus the principal part of Parrys stock-in-trade—his rockets, incendiary kites, and improved Grecian fires—were not forthcoming.

Their "plant," it is true, is not large; a few coloured chalks and a soft duster form all their necessary stock-in-trade.