1957, inverted double black overprint ''AEREO 1957'' (one is kiss print) on Red Cross 15c+50c violet and red, full OG, NH, VF, C.v. $275 for single inverted overprint (Image)

2001 (December 6), Census of 1993, 10c multi, withdrawn stamp after 5 days from issue, top sheet margin block of four, full OG, NH, VF and scarce multiple, C.v. $400 as singles (Image)