Pin Stripe 925 Silver Fountain Pen M Nib Waterman Cartridgesr. Pin Stripe 925 Silver Fountain Pen M Nib Waterman Cartridges. Fountain pen in solid silver 925 and adorned with Pin Striped guillochè pattern realized with original antique machines (Parker, 1930). It is its classic refined design and high Italian craftsmenship that distinguishes this sterling silver […]