Hand Drawn Collar patterns of Early 20th Century Detachable Collars Pt2: Triangle “Plaza” Club Collar with Lock front

So, continuing with the drawings I made back c.1978-80 of my collar collection, here is another example.

Photo of another club collar, the Triangle "Plaza" Collar.
Another club collar, the Triangle “Plaza” Collar.
Triangle “Plaza” Lock Front Club Collar
Spread the images so that the front buttonholes are 1/4″ more than your neck measurement then connect the lines and move the back button hole equidistant from the two front ones. Add seam allowances and sew together normally.