The combination is on the bottom.
Vintage Post Office Savings Bank Book Money Box- Coin Bank WITH KEY 1940s/1950s
Antique Vintage Post Office Door Mail Box door-1920's Flying Eagle
Vintage Brass Post Office Box Doors Greek Key American Device Mfg Co 1964 1966
VTG Indianapolis Lock Co. Post Office Box Door Size #2 - Medium 5-1/4" x 5-5/8"
Antique Cast Iron Still Bank House & Post Office Box
Antique US Post Office Box Door Bank, Flying Eagle, With Combination Patriotic
