Reference: Penny, Pennyworth
Smith
In the New Testament "penny," either alone or in the compound "pennyworth," occurs as the rendering of the Roman denarius.
Mt 20:2; 22:10; Mr 6:37; 12:15; Lu 20:24; Joh 6:7; Re 6:6
The denarius was the chief Roman silver coin, and was worth about 15 to 17 cents.
See Verses Found in Dictionary
And [after] coming to an agreement with the workers for a denarius per day, he sent them into his vineyard.
And those slaves went out into the roads [and] gathered everyone whom they found, both evil and good, and the wedding celebration was filled {with dinner guests}.
But he answered [and] said to them, "You give them [something] to eat." And they said to him, "Should we go [and] purchase bread for two hundred denarii and give [it] to them to eat?"
But [because he] knew their hypocrisy, he said to them, "Why are you testing me? Bring me a denarius so that I can look at [it]!"
"Show me a denarius! Whose image and inscription does it have?" And they answered [and] said, "Caesar's."
Philip replied to him, "Two hundred denarii [worth of] bread would not be enough for them, in order that each one could receive a little."
And I heard [something] like a voice in the midst of the four living creatures saying, "A quart of wheat for a denarius, and three quarts of barley for a denarius, and do not damage the olive oil and the wine!"