Fred Rothschild Periwinkle Dress with Belt

60’s deadstock Fred Rothschild periwinkle dress with original matching belt and the original tags! Flawless condition. Pockets at the side on the front. Has button-up closure in the front and zipper at crotch to waist line. Dress tag says a size 10.
Measurements taken flat:
17” underarm to underarm;
13” across waist;
22” sleeve length (from point of shoulder to end of cuff);
14” from top of shoulder to waist seam;
24” across opening of skirt at the bottom;
35” total length.