Simplicity 4043 sewing pattern, dated 2006, now out of print.
Designer: Kellie Anderson
Child's, Girl's & Misses' Mermaid Costume
View A: Toddler's Size 2, 3 and 4 only
View B: Girl's Size 8, 10 and 12 only
View C: Misses' Size 10, 12, 14 and 16 only.
Pattern is UNCUT and factory folded. Envelope is in good condition.
More costume patterns here:
https://allthepreciousthings.com.au/collections/costumes