1920, Paris issue, Eagle, 1r-15r, set of five values, each one with black horizontal ''Specimen'' overprint (type 2), full OG (minor offset on reverse of two stamps), NH, VF, Artar #600-04 S2, C.v. $750, Est. $150-$200 (Image)

1922, black surcharge 50k on imperforated 25,000r gray blue, vertical tete-beche pair with gutter in the middle, folded once between stamp and gutter, nevertheless full OG, NH, VF and extremely rare, this positional piece is not recorded in catalogs, Est. $1,200-$1,500 (Image)