Vintage Girl Appliqué Pinafore Dress Set: 18/24m?

Vintage unknown brand (not handmade) blonde girl applique pinafore dress set.
• Tag size: 2y
• Estimated fit: 18/24m with shorter length
• Flaws: Elastic in arms has lost most stretch, dress missing bottom back button, top button hole seems a little bigger so button comes undone more easily