This sale is for a near mint condition RZ67 Pro type C Microprism focusing screen for any Mamiya RZ67 Pro, Pro II or Pro IID camera.
This much sought after screen is almost unmarked – it is mint apart from what is probably a faint fingerprint right in one corner, and comes with the instruction sheet.
General Mamiya RZ67 focus screen instructions can be downloaded from the Downloads section of this web site.