The term “original unbroken standard container,” as used in this act, shall be construed to mean any barrel, box, basket, bag or similar container approved by any proper Federal agency as a standard container for fruits and vegetables under or in accordance with any act of the Congress of the United States or approved under or in accordance with the laws of this Commonwealth or under the authority of this act by the Department of Internal Affairs of this Commonwealth, and the contents of which have not been removed or repacked by any person whatever.