Orange Free State 1900 VRI SG112 ½d Small "½" etc

1900 VRI ½d on ½d orange, SMALL "½" & RAISED & LEVEL STOPS MIXED (SG 112g). F/M large part OG example, gum thin top right corner (see scan), perfect appearance, extraordinarily well-centered. A rare stamp, unpriced by SG. See additional image below.