This is a 1926 Conn New Wonder alto saxophone, also known as a 'Chu Berry.'. This saxophone plays well, as you can see in the video, and has that big, fat, wide sound that you'd expect from an early Conn.
Vintage 1919 Conn New Wonder C-Melody Saxophone New White Leather Pads,Corks
Saxophone Conn New Wonder 1923 New Pads Silver Plated Alto
Vintage 1916 C.G Conn New Wonder Gold Plated Bb/C Cornet W/ Orig. Case FREE SHIP
Vintage Silver C.G. Conn New Wonder A Melody Saxophone
RARE Vintage C.G. Conn New Wonder Sax c.1922 Silver/Gold Rolled Tone Holes
1916 CONN New Wonder Series No. 1 Alto Saxophone with Case NO MOUTHPIECE