Los-Nr. 2591

1882-85, 1 d. scarlet, wmk. Crown over NSW, perf. 11 x 12, an unused example overprinted "OS" in black, variety "Partial Double Overprint", off centre to upper right with thin in center, unused without gum. The overprint impression probably a "kiss print" but very clear and a most unusual variety. Cert. Ceremuga (2014)