Colorless (?) Double Kohl Flask

Rolled-in rim; u-shaped body divided into two tubular compartments; flat base with pontil mark. One thick thread is applied on rim and upper part of the body to form a zigzag pattern (some pieces are missing); middle part of the body is decorated with thin threads applied as horizontal lines (some pieces are missing). Much dirt/residue in both compartments; quite an extensive amount of decoration is missing and there is a deep cut visible, quite an extensive amount of patina on inside and outside of vessel as well as quite a lot of dirt/residue on inside vessel.