3 Kreuzer black on bright reddish yellow and 6 Kreuzer black on yellowish green, 9 Kreuzer franking, 1852, five-ring cancellation "87" and two-line ancillary mark "MANNHEIM 2. SEP" in black ink, on decorative folded letter to Freiburg. Stamps with margins typical of the issue and very fresh colours, only the 6 Kreuzer minimally touched at upper left; correctly rated letter to the third distance zone at 9 Kreuzer, very good condition, expertised Seeger, Franz Stegmüller BPP photo certificate (2023): "Original, perfect condition, rare mixed franking of the two printings", Mi. 200.- ++; such rare mixed frankings are substantially undervalued!