Leopold Cassella & Co., Frankfurt am Main, Rechnung vom 30. Juni 1921, 30 June 1921
Leopold cassella & co. , limited liability company, frankfurt am main, invoice dated june 30, 1921 for mr. J. Konetzny, tobacco finishing and dyeing company, leipzig-lindenau. 5 kg furréol yellow-brown g. Date: 30 June 1921.