Description 3 Oysters Hun Min Jeong Eum Cobalt fountain pen ink is a deep, vibrant shade of blue. The 3 Oysters Hun Min Jeong Eum 18ml glass bottle has a narrow shape and is easily portable. 3 Oysters fountain pen ink is made in South Korea, and the Hun Min Jeon Eum line of ink colors is inspired by the classic colors of the Orient and Korea. 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 $50 for US customers, and for orders over $250 for our Canadian customers.