Any person who violates the provisions of this chapter shall, except when otherwise specifically provided herein, be fined not more than $5,000 or imprisoned not more than three years forfeiture of the person’s license or firearm or any combination thereof; provided that if the violation occurs after such person has been convicted in the Virgin Islands of a violation of this chapter, or of a crime of violence, either in the Virgin Islands or in another jurisdiction, such person shall be fined not more than $10,000 or imprisoned not more than ten years or both.