Sec. 5. Be it further anacted, That there shall be imposed and levied annually an ad valorem tax of […] on all pistols (except such as shall be used exclusively for mustering, and also those kept in shops and stores for sale,) one dollar each; on all bowie knives, one dollar each; and dirks and sword canes, fifty cents each ; (except such as shall be kept in shops and stores for Sale:) Provided, however, that only such pistols, bowie knives, dirks, and sword canes, as are used, worn or carried about the person of the owner, shall be subject to the above named taxes.