The ornamental design for a sink supported cutlerycup, as shown and described.
FIG. 1 shows a perspective view of the cutlery cup of the present invention.
FIG. 2 shows a front view of the cutlery cup of the present invention.
FIG. 3 shows a rear view of the cutlery cup of the present invention.
FIG. 4 shows a first side view of the cutlery cup of the present invention.
FIG. 5 shows a second side view of the cutlery cup of the present invention.
FIG. 6 shows an overhead view of the cutlery cup of the present invention. The portion of the drawing appearing in broken line is shown for the purpose of illustrating portions of the article and forms no part of the claimed design; and,
FIG. 7 shows an underside view of the cutlery cup of the present invention.