PilotTokyo, JapanBrand · Paper goodsNamiki Fountain Pen Ink Cartridge Refills (6-Pack)$3.25 – $7Stocked at 7Stocked in CA, CO, FL +4Rock Paper ScissorsCharlottesville, VARetailer · Stationery shop$6bobo design studioPalm Springs, CARetailer · Stationery shop$5–$7Papillon PressWebster Groves, MORetailer · Stationery shop$3.25