1546-1840, most interesting collection of more than 30 covers with decorative early curlicula letters, king letters with among others signatur Friedrich the I. on cover from 1711, letter from Friedrich the large from 1745, letter with red Depart cancel "P. 75 P" Parthenay and on the back rarely cancel the Prussian occupation troops in France from the year 1815 (the collector acquired this letter 1984 by Schneider auctions for 4100,- DM plus premiums) and so on.