Hogue makes them
on getgrip.com - Hogue's site they show grips for the medium and large frame pistols
Large Frame-Square Butt - Models 44, 65, 80, 82, 83, 96, 431, 441, 607, 608, 669 and 689
Large Frame-Round Butt - Models 44, 65, 66, 431 and 608
Granted, the 455 is not there but it might be the same frame as one of the ones listed
Lots of beautiful wood offered
..wiley
Racing Miatas; Good Cigars, Big Guns
Houston, TX