cover -- 1890 (30 May) envelope registered from Bavaria to Bangkok, marked "via Brindisi and Colombo", bearing 1888-1900 3pf. yellow-green, 3pf. brown, 5pf. mauve, 5pf. pale mauve, 5pf. green and 20pf. blue, all clearly tied by Nuernberg c.d.s., showing Brindisi and Bangkok datestamps, and manuscript "retour" in red ink; the cover with some minor peripheral faults. An early and attractive incoming cover