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
After agreeing to pay the workers one denarius a day, he sent them into his vineyard.
Those servants went out into the streets and brought in everyone they found, evil and good alike, and the wedding hall was packed with guests.
But he answered them, "You give them something to eat." They asked him, "Should we go and buy 200 denarii worth of bread and give it to them to eat?"
Seeing through their hypocrisy, Jesus replied to them, "Why are you testing me? Bring me a denarius and let me look at it."
"Show me a denarius. Whose face and name does it have?" "Caesar's," they replied.
Philip answered him, "Two hundred denarii worth of bread isn't enough for each of them to have a little."
I heard what sounded like a voice from among the four living creatures, saying, "One day's ration of wheat for a day's wage, or three day's ration of barley for a day's wage! But don't damage the olive oil or the wine!"