This is a section of fossilized "petrified" wood that was recovered from the Peace River in Florida's famous Bone Valley formation (Hardee County, Hawthorn Group). The exact species of this specimen is not identified, but it likely dates from the Pliocene or Pleistocene periods (many thousands or millions of years old).
Refer to the photo. The black centimeter cube is shown for scale and is not included. You are purchasing the specimen shown. It weighs approx. 4 grams and measures approx. 1.5 inches long.
Your purchase will include an ID label.