This is a buttoned band collar. The default draft includes a collar width of 1.5" / 38mm. The center front is raised 3/4" / 19mm for shaping. The undercollar is 1/8" / 3mm inset. The pointed tip extends 1.25" / 31.75mm. There is a button extension.
This will use the front and back measurements of a bodice if provided or the neck measurements if not.