"WOLFHAGEN 24 3 1845" - single circle cancel, Feuser 3976-3, together with handwritten forwarding mark "Naumburg" in red ink on 2 1/2 Loth heavy, urgent insured letter with 15 Sgr. Enclosure to Cassel, reverse on route passing cancellation from Naumburg and date straight-line cancel from Cassel as arrival postmark