Corinphila Auction 291-297 Day 2

1880/83: Great Britain ½ d. slate, 2 d. rose and three 2½ d. lilac, all used on registered 1884 cover to Mauritius paying the 10 d. rate for under 1 ounce and 2 d. registration, tied by "C" obliterators in black with "British Post Office / Constantinople" cds in red below (Aug 16). Mailed via London (Aug 20) with "Registered / Mauritius" arrival also on obverse (Sept 23). Peripheral toning but a rare rate and destination.