The ornamental design for a iron-type golf club head, as shown and described.
FIG. 1 illustrates an angled, rear perspective view of a golf club head that shows a badge within a cavity pad; and,
FIG. 2 illustrates an angled, rear perspective view of a golf club head that shows a badge within a cavity pad.
The broken, dashed lines shown in the various figures depicting embodiments of the invention are included for the purpose of illustrating environment and do not form any part of the claimed design.