KawecoNuremberg, GermanyBrand · Paper goods10 Color Sampler Cartridge Pack$5.50 – $12 / £5.75Stocked at 7Stocked in CA, MA, MI +3Papillon PressWebster Groves, MORetailer · Stationery shop$10The Analog StationerBrooklyn, NYRetailer · Stationery shop$10The Paper MouseWest Newton, MARetailer · Stationery shop$5.50