1 Sgr. blue, always as a single franking on two Damenbriefkuverts, both with four ring cancel "251" together with single circle postmark "WEIMAR 25 4 1861" respectively "WEIMAR 13 5 1864" over railway station Coburg to the Knight landowner Rückert to Neuses by Coburg. The receiver Friedrich Rückert was German Poet, translator and one the founder of the German Oriental studies