3 Kreuzer black on pale yellow, rare three-ring postmark from "RIEDBACH 31 7 53" in blue colour on folded letter cover to Mergentheim, the stamp is on all sides with wide margins and in impeccable used condition, the folded letter cover in age-related excellent condition, no tears, minimal signs of transportation. the sub-post office Riedbach was at the 30.4.1854 closed and to Bartenstein mislaid. up to introduction of the three-ring postmark in the May 1852 was with a single line cancel in typically blue-gray colour cancelled. the three-ring postmark from RIEDBACH in from the early stamp using time was only from May 1852 to April 1854 used, signed Thoma BPP