Sailmaker's Seam Rubber SOLD Rare 18th C. Marine Whalebone Sailmaker's Seam Rubber A rare 18th C. marine whalebone sailmaker's Seam Rubber originating from Norfolk, England and used by sailmakers there during the 18th Century. It is in superb condition, with a lovely shape, unique markings, and small size, makes for an exceptional, highly desirable and collectable marine - nautical item. The wider tapered end was used for creasing down seams in the edges of the sailcloth, an essential part of the sailmaking or sail repair process. This one is one of the nicest i've come across! Price: £325.00 Enquiries welcome.