lot of antique vintage ball finial tips for horse harness hames, solid brass

Lot of four antique vintage brass ball finial tips for horse drawn buggy or sleigh harness hames. These balls are solid brass. There is a pair that measure about 1 7/8" across the balls, 2" high overall and 5/8" across the hole for the balls to fit on the top of the horse collar hames. This pair has stress cracks to the bases.

There are also two other balls that don't match. They both measure about 2" high. One ball measures 1 3/4" across and the other is 1 5/8" across. The smaller single ball is heavier them the others

These balls are all out of an estate near Portage, Wisconsin (the Amish region in Wisconsin). They have a patina of age and tarnish.