Platinum PenTroutman, NCBrand · Paper goodsPlatinum Preppy Cartridges$3.50 – $3.95Stocked at 3Paper Moon Stationery and Art SupplyTurlock, CARetailer · Stationery shop$3.50Magpie & TigerMontpelier, VTBrand · Retailer · Stationery shop$3.95Clem & Co.Brand · Retailer · Stationery shop$3.50