Letterman IV letterbox - With stainless steel nameplate and letterbox bell The Letterman IV letterbox comes with various extras. The purist letterbox, in a beautiful green colour, is made of stainless steel and powder-coated steel - making it extremely robust. The designer piece has a flap under which the insertion opening and lock are hidden. The result is a sleek design that also protects the post from rain. However, the blue, illuminated letterbox bell is a special highlight. An innovative and practical piece of jewellery with a stainless steel nameplate and two keys. Important note: An LED converter is required to connect the bell, this can be ordered from the accessories list.