My She's Yar Shortalls

Sweetest seersucker shortalls with sailboat design embroidered on the bib. Button details on the waist are so special. How do things like this even exist?!!
Marked Size: None
Modern Size: 24M
Waist measurement (laid flat): 9.5”
Measurements shoulder to bottom hem: 15.5”
Inseam measurement: 1"
Brand on label: Young Fair Togs