2 d. G. R. I. On 20 penny imperial yacht, variety \"inverted overprint\", cancelled \"Rabaul 5 Jan 1915\" on piece, so far only in two unused and two used copies known become rarity what in an issue of only over 10.000 copies already purports, like rare these variety occurs, expertises Holcome and Scheller, SG 53 i, Gibbs 4 c