365 / September 2017
365. Heinrich Koehler Auction
1881, 6 r. on 100 r. green, type II B, tied by barred "DIU" to reverse to small native cover from "DUI 8.5.83" to Bombay with arrival mark, fine, certificate Núcleo Filatélico (1999)
1881, 6 r. on 200 r. yellow, type II B, tied by barred "DIU" to reverse to small native cover from "DUI 8.9.83" to Bombay with arrival mark, fine