1949 UPU error sheetlets, 2.50fr Tiger four different, including red overprint, green overprint (inverted), black overprint, black overprint inverted, h.r., v.f., only five of last recorded (Image)

Est.$500

1949 UPU error sheetlets (seven different), 30c Trees, two different, including orange overprint and pink overprint (inverted), also 75c Woman, two different, including blue overprint, orange overprint (inverted); 1.25fr Woman, three different, including green overprint, red overprint and blue overprint (inverted), l.h. or h.r., fine-v.f., rare (Image)

Est.$1,000