Need rope starter cup for 1952 RPM Iron Horse Lawn-Boy

[Resto Guy]

I just picked up this 1952 RPM Lawn-Boy OMC Iron Horse motor mower. As you can see in the photo the starter rope cup is chipped and I would like to replace it during restoration. The Iron Horse motor was also used in OMC's early Johnson and Evinrude outboard motors. If anyone knows where I might find the Iron Horse rope starter cup I would appreciate the lead. Thanks in advance for any help.