细节
cover 6Kr. brown horizontal pairs (2) both partially seperated, one with large even margins, the other cut-into at top, in combination with 1870 perf. 11½ 6Kr. light brown (X) (2) centred to upper right on 1872 entire to Paris, cancelled by three strikes of the "K. BAYER BAHNPOST/BAYREUTH 23 - 3" d.s. in purple and showing "BAVIERE/AVRICOURT" c.d.s. in blue and "P.D" in red adjacent. Fine and an extraordinary mixed issue franking; probably unique. Signed Pfenninger. M. 20 (4) + 24 X (2). Unlisted by Sem. Photo in colour