This is an EXCEPTIONAL clutch ring that goes between the hood and the body on a Parker 61 capillary filler fountain pen. This is for the early 61 with the thin band. Parker 61 Fountain Pen Clutch Ring.
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This item appears to be NOS. It looks like it has not been used.
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Here's a PARKER 61 with a red barrel and LUSTRALOY cap. It has gold filled trim and is marked PARKER MADE IN USA on the base of the cap. The nib is an extra fine and flawless.
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The pen has a fine line pattern, excellent cap jewels and a wide arrow nib. The notation 61 on the cap is near the shield. There is a small dig or nub on the gray section, modest and irrelevant but you can judge by the picture.
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