Complex sentence: With the opening of one of the first paper mills north of the Alps in 1402 in Ravensburg, paper became another commodity, but the stores held also oriental spices, Mediterranean wines and Bohemian ores.
Split into simpler sentences: With the opening of one of the first paper mills north of the Alps in 1402 in Ravensburg, paper became another commodity. The Ravensburg stores also sold oriental spices, Mediterranean wines and Bohemian ores.