Fragment a): from vertical rim with ridges inside and out.
Fragment b): from flat bottom curving without break into side wall.
Pontil. Bubbles and spirals. Rim polished after folding.
Light blue glass; ... 30 June 1947 ... ΟΟ ... ΟΟ:58-59/ΜΕ-Ν ... Lot ΟΟ 161