This is the Viper Cutlery Orso, has Orange G10 handles.  The blade steel is M390 and finish is Stone Washed.

*Our opinion:  The Viper effort on this run as compared to their entire catalog is 8.  Flipper effort is 2 on a scale of 1-4 with 1 being smooth as silk and 4 requiring wrist action.  Detent is a 3 on a scale of 1-4 with 1 being lightest.

Maker : Viper Cutlery
Model : Orso
Frame : Orange G10
Maker ID : V5968GO
Condition : New/Mint
Lock Type : Linerlock
Blade Steel : M390
Hardness : 60-61HRC
Black Thickness : 160/1000
Closed Length : 4 3/4 inches
Longest Blade : 3 3/8 inches
Longest Sharp : 3 5/8 inches
Overall Length : 8 3/16 inches
Flipper Effort : 2
Detent Strength : 3
Clip : Tip up
Weight : 3.17 ounces
Factory Box : Yes
Blade Finish : Stone Washed
Country : Italy
*Factory Effort : 8