As he spoke, he put a bottle gourd on the ground, and a copper coin with a hole in its centre on the mouth of the bottle gourd. Then he slowly poured oil into the bottle gourd with a ladle.

说着，他拿了一只葫芦放在地下，又把一枚有孔的铜钱放在葫芦口上，然后用勺慢慢地往葫芦里灌油。

youdao

He put a gourd bottle on the ground and covered its mouth with a copper coin. He then scooped out a ladle of oil from his big jar, held it high in the air and began to pour it into the gourd.

他把一个葫芦放在地上，在葫芦口上放了一枚铜钱，然后从大油壶里舀起一勺油，从高处往葫芦里倒。

youdao

But a 20-30% discount on the copper value is reasonable enough thus making, at the refinery gate, a 1 rupee coin worth perhaps 2 cents or two rupees.

FORBES: The Pakistani 1 Rupee Coin Is Worth More Than 1 Rs