2 Mark medium rose lilac with very rare cancellation \"Cameroon 10 7 / (87) \" - only on some few copies known become primary False attitude from 7. Oct 1887 with exchanged numerals the day and month indication, defects and repaired - corner left above supplemented, in the considering the rarity the cancellation negligible, photo expertize Ronald F. Steuer BPP, Michel / Steuer 15.000.-