Papua New Guinea
cover POSTAL CHARGES: 1960 (1 Mar.) 1d. on 6½d., 3d. on ½d. and 6d. on 7½d. (the rare type D1), each in an Authority imprint block of four cancelled by Konedoru c.d.s on day of issue envelope; some mnior foxing imprint selvedge and envelope with crease clear of adhesives. An outstanding modern rarity. Photo
Details
cover POSTAL CHARGES: 1960 (1 Mar.) 1d. on 6½d., 3d. on ½d. and 6d. on 7½d. (the rare type D1), each in an Authority imprint block of four cancelled by Konedoru c.d.s on day of issue envelope; some mnior foxing imprint selvedge and envelope with crease clear of adhesives. An outstanding modern rarity. Photo
Further details
Note: To date this is the only recorded imprint block of four of the rare 6d. used on f.d.c.