No. 2 version Antique revolver by Henry Webley, distributed by James W. Rosier in Melbourne Australia. Nickel finish, Caliber .442. Real ivory grips. Design started in 1872. 
Double action works good, lock up of cyclinder shows wear. Has it's share of patina, but no damage to frame. Ivory grips have some wear. 75% NRA condition. Estimated date of manufacture is in the 1880's.