2 Mark medium rose lilac, horizontal pair with two full postmarks Cameroon 4 1 89 (with year date! ! ), photo expertize Steuer BPP: "by of the extremly rare submission is a the second down to the present day (14. 4. 2011) recorded become pair with this cancellation. The year date 89 was only from 1. 1. till 20. 1. 1889 used. . . . Remarkably well got unit. " according to Steuer handbook Michel x 10 = 30.000.-