OEST.P. 1766 postal scale
At the back of the standard of this letter scale is the text: OEST.P. 1766. This is the abbreviation of Oesterreichisches Patent (= Austrian patent) with number 1766. At other specimen Austria is added to the text OEST.P. 1766. Again, other specimen don't have any text at the back of the standard. A lot of additional detailed information is given at the Austria letter scale. The letter scale presented here was intended for the English market, the weight is measured in ounces. The lower chart from 0 till ½ oz. is subdivided per 1/16 ounce. The upper chart goes from ½ oz till 4 oz., and is subdivided per 1/16 ounce as well. The scale is made of tin and has a brass colored top coating. Below some more pictures of this letter scale.
back of the scale
