Does this shape appear in other series?   Yes, although without applied decoration -  Later Series 36;

and also at the beginning of the Early Series, Early Series 3/5

Few examples are recorded but every one has applied decoration.

Height; 12.5 cm

Both numbered just 338, without suffix;  no 'B' suffix as usually present on Remued pieces with koala decoration, nor 'M' for gumleaf decoration.

Leaf decoration

Base incised Remued 338M

Koala decoration

Base incised Remued 338B