Lot 10191 – 1943 5th Birthday of Princess Ferial 5m+5m brown-lake colour trials in vert. strip

1943 5th Birthday of Princess Ferial 5m+5m brown-lake, pane B, colour trials in two mint hinged vertical strips of five showing an array of varieties from different positions including pos. 5 & 15 accepted size ovpt and colour green, pos. 25 & 35 large size ovpts, heavy impression in green, pos. 45 large size ovpts, thin impression in green, pos. 55 large size ovpt, heavy impression in green, pos. 65 accepted size ovpt and colour green, doubled, pos. 75 accepted size ovpt but in colour blue, pos. 85 accepted size ovpt but in greenish-yellow, doubled and superimposed, pos. 95 without ovpt, with albino inverted on the gummed side, a wonderful and unique showpiece, cert. Charles Hass