Rare Newhall porcelain 18 facet coffee can 'Boy at the Window' pattern 425 c1790

This is a very rare 18 facet coffee cup. Ex Maisels collection 790. For around 50 years between 1781 and 1835, the New Hall China Works (Shelton, Staffordshire) made porcelain tea-wares, firstly of hard paste porcelain.