Not an expert, but I have my Father's dating to '37 or 8.
Were wooden rims fitted that late? Looks pretty complete but for saddle, post, and clamp bolt? It also looks like Lyotard platform pedals, I don't know that they are period correct. Scooper will be along to set that all straight.
Nice find. Richard Schwinn is a good guy and he'll take care of you.