As as often happens, the brass developed the greenish blue patina. Other than the cleanliness of the knife's edge and blade, the patina build up lets me know this knife was in it's original box for a long time before I took it out and cleaned the pins. You can see in the box where the patina left the inside packaging somewhat discolored where the pins rested. The item "Vintage Lamson USA LamsonSharp #658 Santoku Knife / Cleaver HI CARBON NO STAIN" is in sale since Sunday, September 2, 2018.
This item is in the category "Collectibles\Kitchen & Home\Kitchenware\Utensils\Cutlery". The seller is "bubbagumpshrimpcompany" and is located in Mobile, Alabama. This item can be shipped to United States.