CLOAK - Worn by both sexes, especially women. 13th to 15th centuries. Cloak fastening shown; small metal boss either side, furnished with ring at the back through which runs a cord or chain, which is drawn up and tied to the cloak beets across the breast. Source: Page 2, "Medieval costume in England and France; the 13th, 14th & 15th centuries". By Mary G Houston. Originally published by A&C Black, 1939.
Poster says, "pretty.This is very similar to the Simplicity pattern same body and sleeve shape. The change in the neckline is slight, and adding lacing and the copper detailing would be simple. Fitting the hood to the neck would take trial and error.