1921-23, 20pf and 5fr in blocks of four and black shifted to the right surcharge 15c on 40pf in block of six with left stamp in the middle placed upside down and forming either vertical or horizontal tete-beche pair, full OG, NH, VF, C.v. $427++ (Image)

1955, International Fair, Minister sunken die proof sheet of 15fr multicolored, no gum as issued, NH, VF, Mi #359M, C.v. €150 (Image)