Lot 376 o
Luxembourg, 1854, Grand Duke William III, 10c intense black, horizontal strip of seven, huge margin at top showing parts of adjacent stamps, right large to just clear and others just touching or slightly in, neatly cancelled by four neat strikes of distinctive three-ring with center dot cancel of Grevenmacher, Fine and rare used multiple of this size, ex-Del Puente, Houser. Michel Nos. 1 a.Scott Nos. 1b Estimate $1,000 - 1,500.