Platinum PenTroutman, NCBrand · Paper goodsPlatinum Black Carbon 4 Pack Pigment Ink Cartridges$3.96 – $4.50Stocked at 2Choosing KeepingLondon, United KingdomRetailer · Stationery shop$3.96Flax Pen to PaperLos Angeles, CARetailer · Stationery shop$4.50
