Another one :) Brass plated towel bar

this page might help narrow it down



"Construction of Bar
3/4"" (19.05mm) square tubing
Stainless Steel: type 430, 0.015"" (0.38mm), 26 gauge wall thickness, lock seamed tube, bright finish with clean cut ends
Aluminum: type 6063, 0.0275"" (0.7mm), 26 gauge wall thickness, roll formed seam, cut ends, polished, and then positive procedure to be a certain finish
Solid Brass: type NS-318 70/30 half hard solid brass, 0.016"" (0.41mm), 26 gauge wall thickness, roll formed seam, polished finish with clean cut ends"


rest of page at this link:
24" x 3/4" Aluminum Towel Bar - Antique Brass