Great Britain 1911 1s Hentschel essays.
Very fine set of four imperforate colour trials printed in Vermilion, green, maroon & ruby black (Slater & Palmer ink No 23. 40, 60 & 92 respectively) on white unwatermarked paper, endorsed at foot "Vermillion C", "Green no. 154". "Maroon no 170" and "Ruby Black on 160".
Very scarce.
