This is the MKM Mercury Cutlery Cellina, has Titanium handles and liners.  The blade steel is M390 and finish is Satin.

*Our opinion:  The pull is a 7.  The Mercury effort on this run as compared to their entire catalog is 7.  Action (walk) is 4 on a scale of 1-5, with 5 being gator snap.  Spring Pressure is 1.15 lbs.

Brand : MKM
Maker : Mercury Cutlery
Designer : Burnley
Handles : Titanium
Maker ID : MKMY02T
Pattern : Cellina
Condition : New/Mint
Blade Steel : M390
Steel Hardness : 58-60HRC
# Blades : 1
# Backsprings : 1
Action (1-5) : 4
Spring Pressure : 1.15 lbs
*Pull (1-10) : 7
Closed Length : 4 inches
Longest Blade : 2 11/16 inches
Longest Sharp : 2 13/16 inches
Overall Length : 6 3/4 inches
Weight : 2.52 ounces
Half Stops : Yes
Factory Box : Yes
Blade Finish : Satin
Country : Italy
*Factory Effort : 7
Notes: : Leather slip