the shekel
Exodus 30:13
This they shall give, every one that passeth among them that are numbered: half a shekel according to the shekel of the sanctuary (a shekel is twenty gerahs); a half shekel shall be the offering to the LORD.
Leviticus 27:25
And all thy valuations shall be according to the shekel of the sanctuary: twenty gerahs shall be the shekel.
Numbers 3:47
thou shalt even take five shekels apiece by head count; according to the shekel of the sanctuary shalt thou take them (the shekel is twenty gerahs).