The Smith & Wesson Model 59 is a double-action pistol. 
 
Sights: fixed iron sights, optional adjustable
Barrel length: 4 in (102 mm)
Manufacturer: Smith & Wesson
Action: DA/SA
Length: 7.55 in (192 mm)
Semi-automatic
Three 14-round magazines and original S&W cardboard blue box (with wax paper) Included. 

Used condition. $550 with transfer fee included. 
CBI in Southeast Aurora or fees are on you at the FFL of your choice within the metro area. 
No trades as this is a consignment piece.