1960s St Michael cotton shift dress S

Amazing dress by St Michael
The label style dates it to the 1960s - hard to come by 
Soft cotton with navy,orange and burgundy floral swirl print
Zip to back,for show gold colour buttons at front 
Shift shape 
Label reads to fit 33 inches bust and 35 inches hips
It will fit a modern size 8 
Laid flat 
Underarm to underarm 17 inches x1 side
Waist 17 inches x1 side 
Hips 18 inches x1 side 
Shoulders 17.5 inches 
Length 34 inches 
Arm at bicep 6 inches x1 side
Incredible vintage condition. It appears to have had minimal wear with no issues. The cotton is soft and the colours are bright