Wing Sung 601 full steel edition. The solid steel section gives this pen such a good balance. It's also got a proper clutch cap! The stock 14K nib is an absolute travesty,
A Vintage Gateway? Wing Sung 601 "Vacumatic" Filler — The Gentleman Stationer
Wing Sung 659 Fountain Pen - Write to Me Often
Price history & Review on Hero Wing Sung 699 Vacuum Fountain Pen Ink Pen High Capacity Ink Pen EF/Fine/Medium Nib Stationery Office school Writing Gift | AliExpress Seller - St Penpps Chinese
Wing Sung 239
Hero and Wing... - Hero and Wing Sung Vintage Fountain Pens