Elizabeth II (1952-2022), Pre-Decimal Coinage, Second Issue, Penny, c. 1961-67, an obverse brockage, edge plain, 9.41g, [12h] (cf. Spink 4157), a beautiful example of this extraordinary striking error, exceedingly seldom met with in the late Queens specie, an even brown patina with an underlying lustre, extremely fine, excessively rare