The C/RC or RC stamp previously called a “rework” stamp is now referred to as a “Revision Commission” stamp (Goertz). It was applied at the factory to imperial P08 parts during production and indicated a flawed but useable part. The RC mark is usually associated with Erfurt factory proofing because it is so frequently seen on Erfurt P08 parts. Costanzo(WOL) observed that on Erfurt P08s the RC mark could “be noted on any luger part”. He also found the RC mark on two parts of DWM P08s. Were these original issue imperial DWM P08s or reworked DWM P08s refitted with (RC marked) Erfurt parts, a common practice? Remember that Costanzo considered that the C/RC was a” rework, repair or reissue proof”. At any rate, the occurrence of the RC mark on original imperial DWM P08s is uncommon and has not been clearly defined. The Revision Commission’s function at Erfurt was described (Gortz and Bryans page 118, Imperial Lugers,page 62) however, the ability of a private contractor such as DWM to reclaim defective parts in a similar manner is not clear and has been questioned.
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Figure1,2,3,4. P08 serial number 528b, is an all matching1913 DWM (except mag), with factory installed holdopen, and original long sear. DWM proofs are present on receiver, toggle and barrel.
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Figure 5,6. P08 528b bears a C/RC on the forward aspect of the trigger guard. The C/RC is struck at an angle, and shallow; it was almost removed during finishing. This P08 shows little use, and is other wise unremarkable except for a Bo24 marked barrel. No other parts are C/RC marked and there are no signs of reworking.
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Figure7. 1918 Erfurt #8976n bears a deeply struck C/RC at very top of trigger guard, a typical location in my experience. In contrast, the DWM RC mark is positioned lower on the trigger guard. Comparison of various Erfurt RC marks to the single DWM RC mark did not reveal any unique features that would distinguish the Erfurt from the DWM RC stamp. However Erfurt RC marks are typically deep and difficult to compare to this shallow RC DWM mark .
So where did 528b get its C/RC mark? Perhaps the RC somehow was applied during an Erfurt factory visit (a Costanzo flashback), yet there is no evidence of Erfurt reworking or Erfurt parts on 528b. Also the RC location was not typical IME for Erfurt. Was the RC mark applied at DWM factory by their Revisions Commission? If this is a DWM RC, why is it such a rare mark on original imperial DWM P08s? Did DWM have newer/better machines than Erfurt? Or Sleepy RC inspectors at DWM ? Or were DWM defective parts actually discarded or the RC mark removed during finishing?
Well, this is much ado about one RC mark, but perhaps will bring forth some illuminating discussion about the RC marked DWM P08s
John
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49.07KB
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53.29KB
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60.16KB
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50.14KB
Figure1,2,3,4. P08 serial number 528b, is an all matching1913 DWM (except mag), with factory installed holdopen, and original long sear. DWM proofs are present on receiver, toggle and barrel.
Download Attachment:

39.84KB
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15.67KB
Figure 5,6. P08 528b bears a C/RC on the forward aspect of the trigger guard. The C/RC is struck at an angle, and shallow; it was almost removed during finishing. This P08 shows little use, and is other wise unremarkable except for a Bo24 marked barrel. No other parts are C/RC marked and there are no signs of reworking.
Download Attachment:

38.28KB
Figure7. 1918 Erfurt #8976n bears a deeply struck C/RC at very top of trigger guard, a typical location in my experience. In contrast, the DWM RC mark is positioned lower on the trigger guard. Comparison of various Erfurt RC marks to the single DWM RC mark did not reveal any unique features that would distinguish the Erfurt from the DWM RC stamp. However Erfurt RC marks are typically deep and difficult to compare to this shallow RC DWM mark .
So where did 528b get its C/RC mark? Perhaps the RC somehow was applied during an Erfurt factory visit (a Costanzo flashback), yet there is no evidence of Erfurt reworking or Erfurt parts on 528b. Also the RC location was not typical IME for Erfurt. Was the RC mark applied at DWM factory by their Revisions Commission? If this is a DWM RC, why is it such a rare mark on original imperial DWM P08s? Did DWM have newer/better machines than Erfurt? Or Sleepy RC inspectors at DWM ? Or were DWM defective parts actually discarded or the RC mark removed during finishing?
Well, this is much ado about one RC mark, but perhaps will bring forth some illuminating discussion about the RC marked DWM P08s
John