Good looking knife, quite similar profile to the Schrade Models PH I and PH II knives (Model 1 is large and Model 2 is smaller, otherwise they are the same design).
As for stainless steel in general, 440-A or otherwise, I'm not fond of it as a knife blade material, except for a diving knife, of which I do have one for that activity.
So far, in many years of splashing about in the sea, I have only needed it to cut lures I have found, free from tangled fishing line ( a small/cheap pair of stainless scissors from Wall-Mart would have served as well or better).
I find it difficult to sharpen stainless steel knives but, as Mekaniks already said, it does hold an edge very well, once you get it sharp (I have discovered that swear words seemed to help quite a bit, in my efforts to sharpen stainless steel knives).
My preference is for old fashioned tool steel, such as an appropriate size piece, carefully cut from any better quality saw blade, then fashioned into a knife, taking care to re-heat treat it after the cutting, grinding, sanding and finishing process.
IMO, knives look better with a few stains on their blades and conversely look "unsure of themselves" when shiny and bright.
It is just the same as a hunting rifle with no sign of use on it, as compared to one that shows a thorn scratch or two on the stock and bluing rubbed from many miles of carrying in the hands.