I have some Cinelli Giro d'Italia bars in size 38cm.

eBay usually has a number of Cinelli bars and stems; just watch some for a while to get an idea of what prices are. Throw in a low bid here and there, you may get lucky. Particularly if they need cleaning or they took lousy pictures.

Aero fluted seatposts are not cheap. Be prepared to wage war in order to get one.