(a) A common carrier may sell at public auction freight or baggage that it conveyed to any point in this state if the owner, whether known or unknown, of the freight or baggage, within three months of the date of the conveyance, fails to claim it and pay any charges due at the office, depot, or warehouse closest or most convenient to the destination.
(b) Each article of freight or baggage must be offered separately as consigned or checked.