Platinum fountain pen pen double 3 action modern plum and nightingale multi-function maki-e MWB-5000RM#31

brass Keshigomu-100bn, ballpoint pen refill BSP-60-(F0.7) (#1, black, #2, red) oil-based dye ink Product specifications: Brass body with black chrome plating finish, iron with pure gold inlaid ring Mechanical pencil/clockwise feeding type, knock (cap slide) type, oil-based ballpoint pen (black/red)/left rotating feeding type Total length 144mm x maximum diameter 10.5mm