Auction Series 257-264 in Zurich Day 4

St. Thomas 1864 (July): Waterlow printing ½ r. bluish-grey, perf. 13, with 'Q' in Paquete, intended for use in St. Thomas, an unused irregular block of 34 from lower right corner of the sheet, showing all five Types: 3-4-5-1-2-3-4-5 across the three upper horizontal rows and Types 1-2-3-4-5 in the lower block of ten, this being watermarked T.H. SAUNDERS, partial imprint '(Waterlow &) Son, London' in margin at base, minor crease but near full original gum, of excellent colour for this delicate stamp and now most probably the largest multiple extant. An exhibition piece. Rare.
Catalogue 261: Stamp Issuing Steamship Companies