Live Bidding Auction #90

1922, Philately for the Children, black overprints on perforated 1k-10k and imperforated 1k, complete set of six in blocks of four, both 1k from the second printing, the same positions 1-2/6-7, they are post office fresh and NH; all others from the first printing, positions identified, some separations, full OG, NH or LH, VF, each block with individual N. Mandrovski certificate (positions identified for sideways sheets), Est. $3,000-$4,000