Knife buyers: Dallas-Ft. Worth, Houston, Oklahoma City & Denver. If you have a large collection of knives for sale, give us a call. We buy knife collections and we pay cash. 903-819-9940. What kind of knives do we buy? Pretty much any as long as the collection you are selling has a substantial quantity of quality blades. Read more about Dallas-Ft. Worth Knife Buyers- We buy knife collections: DFW, Houston, OK City, Denver. Cash buyers! 903-819-9940[…]