1900 era Post office mail box door Has US on front with a 8 point star in center , with a turn knob to open it to p open it need to clear it first turn it several times counter clock wise then to the 3er point from the top and back to the 4th point from the top lift lever and it is open. door is 3 3/4 in wide and 5 in tall has a replacement glass. Please ask all questions buyer pays 9.00 shipping states only