Lot 2681 E
Russia, (1928) 1913 7k Nicholas II issue, Dr. Eckerlin rotary press sample sheet, bearing reproduction in reverse, wove paper (39x44mm), Very Fine, a very rare sample essay, accompanied by photocopy RPSL certificate for similar sheet.Estimate $200 - 300.
Dr. Eckerlin was director of Herbst & Illig of Frankfort-am-Main, Germany. In 1928, Dr. Eckerlin contacted Treadway of ABN for purposes of promoting a proprietary rotary intaglio printing process that was faster and cheaper than steel engraving printing.