letter scale

This pocket size letter scale has a weighing capacity of 100 grams. The chart shows a stripe of measure per five grams. Also another stripe at 105 grams is present, but the scale blocks a bit sooner and the 105 grams can't be reached. Molded at the back of the housing is Pat. Pending. This design exist with an without imprints. Known are the text "letter scale", and also the advertising text "Das Beste - Reader´s Digest", as shown on a letter scale pictured here. Below some more pictures of this letter scale.