1 3/8” diameter.

An antique one of a kind available now Labor Day pin-back button from the 1901 Helena event.

The text reads: "JUSTICE TO ALL", "IN UNION THERE IS STRENGTH", and "LABOR DAY HELENA 1901.”

It features an eagle holding a shield with an American flag design and a banner in its beak with the phrase "In Union There Is Strength.@

The image also depicts two hands shaking above the eagle.