GERMANY OFFICES IN CHINA, 1901, 20pf ULTRAMARINE "CHINA" OVERPRINT - THICKER OVERPRINT, PERIOD OVER "i" IN THE FORM OF A COMMA - MINT, #27 var., well-centered, h.r., very fine, with 2018 Dr. Thomas Hartung short-cert., cat. Michel #VIId @ €730.00 (Image)

$250