Transparent bluish green, with several large (L. up to 1.7 cm) and many smaller bubbles, most of which are elongated. Parison inflated in dip mold, withdrawn, twisted, and inflated to full size and shape. Bowl. Rim plain, with rounded lip; wall descends vertically, then curves in at bottom; base plain, narrow, and off-center; irregular pontil mark (L. 1.8 cm, W. 1.5 cm). Mold-blown decoration in raised relief on wall and base: on wall, beginning 2.3 cm below lip, 18 ribs, which curve down from right to left and are more prominent at bottom than at top; on base, two concentric circles, outer of which is attached to bottoms of ribs.