Check rare book dealers, antique arms shows, or online forums for a copy of The Antique Bowie Knife Book by Adams and Parker. And always—always—ask the seller if you can compare the blade to the plate.
For those interested in learning more about antique Bowie knives, the following resources are recommended: The antique Bowie knife book
Here is why this specific book is the Holy Grail: Check rare book dealers, antique arms shows, or
: Exploring the Mexican influences on the design. Check rare book dealers
So, before you bid at auction or pull cash from your pocket, find a copy. Study the patinas. Memorize the tang stamps. In the world of antique Bowies, the sharpest blade is useless if you are blind. Let the book be your eyes.