The ornamental design for a paymentcard, as shown and described.
FIG. 1 is a front right perspective view of a payment card showing our new design;
FIG. 2 is a rear left perspective view thereof;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a left side view thereof; and,
FIG. 8 is an enlarged, detailed view of the top view, as shown in FIG. 5.
The shape of the edge of the payment card illustrated in FIG. 8 is consistent around the perimeter of the top, right, left, and bottom sides of the payment card in both embodiments. The broken lines shown in the drawings form no part of the claimed design.