Lot 51213 – 1896 (May 26) 1a on 1 1/2a blue postcard uprated with 1896 (11 May) “2 1/2” (type 3) on 1a plum

1896 (May 26) 1a on 1 1/2a blue postcard uprated with 1896 (11 May) “2 1/2” (type 3) on 1a plum (showing small small second “z”) cancelled by Zanzibar double circle ds, sent to Germany with Aden, Rastatt and Hatgenau cds on face, overpaid but not overtly philatelic, with full message in German on reverse, a rare usage of this provisional surcharge, very fine