Description Taccia Aoguro fountain pen ink is a rich, deep shade of dark blue-black that comes in a 40ml glass bottle. Taccia fountain pen ink is made in Japan, has good flow, vibrant colors and is well behaved. Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.