OTAGIRI lot of 4 Coffee Mug Sea Shell Ocean Coffee Cup Vintage Japan🐚💚

Four Sea Shell Coffee Mug by Otagiri, made in Japan Beige speckled interior, smooth green rim, bisque finish green body stoneware with beige embossed textured seashell, Marked/signed on underside with "Otagiri" and "Japan" Measurements: 3 1/2 " tall x 3 1/8 " rim to rim diameter, weighs 11 oz Condition: Excellent, no chips, no cracks, no signs of use, see photos