198 (Early Series) Small flasks with wide throat, bulb base and round mouth.

Does this shape appear in other series? Yes - Pamela Series 3; Later Series 50.

Both are more common than this Early Series number which is quite rare.

Two sizes are recorded; the smaller size with no suffix, and the larger with inch suffix 4. The use of an inch suffix suggests that other sizes may also exist.

198

Height; 8 - 8.5 cm