Re: Baritone Saxophone
The saxophone that you are referring to is a CG Conn New Wonder Series I saxophone. It was one of the earlier New Wonder Series I horns; the serial number dates it to approx. 1918. The floral engraving was typical of the New Wonder Series I horns. Silver was the most common finish.
The value depends highly on the condition, and it sounds as if yours is in need of a complete overhaul (dent removal, cleaning, pads, springs, cork, etc) Being that it is a baritone, it's probably worth $300-$500 as is. It's really hard to say with out looking at the instrument.