Closeup of nib, on which is engraved: ESTERBROOK 1551 MADE IN U.S.A.
https://penfount.social/system/media_attachments/files/114/133/365/065/338/296/original/6bfcce2e6613f75a.jpeg
Today's #vintage #FountainPen: Esterbrook J late transitional Pearl Grey
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