Leviticus 5:11

5:11 “‘If he cannot afford two turtledoves or two young pigeons, he must bring as his offering for his sin which he has committed a tenth of an ephah of choice wheat flour for a sin offering. He must not place olive oil on it and he must not put frankincense on it, because it is a sin offering.

Hosea 3:2

3:2 So I paid fifteen shekels of silver and about seven bushels of barley to purchase her.