Vintage 1960s Sleeveless Shift Dress With Bolero

Vintage 1960s Sleeveless Shift Dress With Bolero. Colors are cream and navy with button embellishments, bow detail and back zip closure. There is a discoloration on blue portion of dress. Cropped open closure bolero has cream color piping. Backside of collar have discoloration spots. Dress measures 18" armpit to armpit and 34" long. Label size say a 38. Bolero 18" armpit to armpit and 17" long. I would say this is a Smalk to a Medium