Amazon.com : Platinum Preppy Rainbow Fountain Pen Set, Fine Point - Pack of 7 : Office Products
Platinum Preppy Fountain Pen - Black - The Goulet Pen Company
Converting a Platinum Preppy to eyedropper. | Fountain pen blog
Eyedropper converted my first platinum preppy today! :) It was fairly straightforward, though I should have gotten a slightly smaller o-ring. : r/fountainpens
Platinum Preppy Fountain Pen - Blue Black - 02 Extra Fine Nib | JetPens