Frederick William II, King of Prussia (1744-1797). Letter m. U. "Fr. Wilhelm". 1 p. Cross-shaped narrow-8vo (8,5 x 20 cm). Field camp off Mainz 21.VI.1793. In the coalition war to the Lieutenant-General Count of Kalckreuth. "...I will hereby authorize you to conclude a convention with the Chur Palatine General Major Grafen v Minucci: that the deserters of the troops in the field, as long as the present war will last, should be handed over to each other ..." - Unfortunately 3 traces of former troops ... Repair attempts with Tesafilm on wrinkles.