Syria, 1924 50c - 2.50p Olympics, Inverted Surcharges. Blocks of 4, o.g., never hinged, F.-V.F. a Post Office fresh set of these rare inverted surcharges, reported to be the only known blocks. Maury No. 127a-130a €7,200 for hinged singles ($9,864). Scott No. 133-136 vars.  Estimate $1,000 - 1,500. $0 (Image)