The ornamental design for a counter for a bar on a seesaw, as shown and described.
FIG. 1 is a front perspective view of a counter for a bar on a seesaw;
FIG. 2 is a rear perspective view of the counter for a bar on a seesaw as shown in FIG. 1;
FIG. 3 is a front elevation view of the counter for a bar on a seesaw as shown in FIG. 1;
FIG. 4 is a rear elevation view of the counter for a bar on a seesaw as shown in FIG. 1;
FIG. 5 is a right-side elevation view of the counter for a bar on a seesaw as shown in FIG. 1;
FIG. 6 is a left-side elevation view of the counter for a bar on a seesaw as shown in FIG. 1; and,
FIG. 7 is a top plan view of the counter for a bar on a seesaw as shown in FIG. 1.
The dashed and dotted lines shown are included for the purpose of illustrating portions of the counter for a bar on a seesaw that form no part of the claim.