Verses with the word pair in the Old Testament (2 verses):

Amos 2:6
Thus saith the LORD; For three transgressions of Israel, and for four, I will not turn away the punishment thereof; because they sold the righteous for silver, and the poor for a pair of shoes;

Amos 8:6
That we may buy the poor for silver, and the needy for a pair of shoes; yea, and sell the refuse of the wheat?