9 Kr. Ochre-brown, two-sided wide-margined specimen as properly franked single franking on Postal Union envelope, with three ring postmark "220" together with single circle postmark "FRANKFURT A. M. 6 JAN (1864) " over Ergenzingen to Rottenburg at the Neckar / Wuerttemberg, thence to Stuttgart forwarded, reverse five transit- respectively arrival postmark, small traces