The ornamental design for a cardholder, as shown and described.
FIG. 1 is a first front view of the card holder shown in a closed position. The features of the card holder sequentially transition between the images shown in FIGS. 1-4.
FIG. 2 is a second front view of the card holder shown in a ¼ opened position.
FIG. 3 is a third front view of the card holder shown in a ½ opened position.
FIG. 4 is a fourth front view of the card holder shown in a ¾ opened position.
FIG. 5 is a fifth front view of the card holder shown in the ¼ opened position with a disclaimed gift card. The features of the card holder sequentially transition between the images shown in FIGS. 1 and 5-7.
FIG. 6 is a sixth front view of the card holder shown in the ½ opened position with the disclaimed gift card.
FIG. 7 is a seventh front view of the card holder shown in the ¾ opened position with the disclaimed gift card.
FIG. 8 is a right-side view of the card holder with the disclaimed gift card.
FIG. 9 is a left-side view of the card holder with the disclaimed gift card.
FIG. 10 is a top view of the card holder with the disclaimed gift card.
FIG. 11 is a bottom view of the card holder with the disclaimed gift card.
FIG. 12 is a first back view of the card holder of FIG. 1 shown in the closed position. The features of the card holder sequentially transition between the images shown in FIGS. 12-15.
FIG. 13 is a second back view of the card holder of FIG. 12 shown in the ¼ opened position.
FIG. 14 is a third back view of the card holder of FIG. 12 shown in the ½ opened position; and,
FIG. 15 is a fourth back view of the card holder of FIG. 12 shown in the ¾ opened position.
The broken lines depict portions of the card holder or environment of the card holder that form no part of the claimed design.