Edward VI (1547-1553), Second period, 6 oz. issue, Shilling, Southwark, mdxlix [1549], mm. Y (over G on rev.), bust 3, 4.11g/12h (Bispham p. 136; N 1917; S 2466B). About fine for issue, the reverse overmark clear £150-£200

The G-marked shilling dies were originally prepared at the Tower for use in a proposed coinage at York, to be overseen by the under-treasurer in that city, George Gale, which was evidently abandoned