Sinkiang 102-03 and 143 varieties CSS SK 144-46 Peking Overprint on Low Type basic stamps in blocks of four with Printer's Imprints, but top two stamps LH

Sinkiang 102-03 and 143 varieties CSS SK 144-46 Peking Overprint on Low Type basic stamps in blocks of four with Printer's Imprints, but top two stamps LH