Lot 89 EGreat Britain, 1928 Great Britain - Russia compound country issue, Dr. Eckerlin rotary press sample sheet, bearing reproductions of three G.B. 1902 1d KEVII and two Russia 1913 7k Nicholas II issues, on watermark wove paper (110x123mm), with additional pen marks, Very Fine, a very rare two country sample essay, accompanied by photocopy RPSL certificate for similar sheetlet.
Estimate $750 - 1,000.
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.