These are the wall-mounted letter boxes

These are the larger capacity letter boxes

Front view of an actual post box I photographed while on vacation, found at the castle in Cochem, Germany.

Right side of an actual post box on the grounds of the castle in Cochem, Germany. Photographed while on vacation there.

Left side of an actual post box I photographed on the grounds of the castle in Cochem, Germany

An actual wall-mounted post box I photographed in the town of Cochem, Germany

An actual large-volume post box that I took while vacationing in the town of Cochem, Germany