Watch List notes:

MEXICO, Colonial. Carlos I. King of Spain, 1516-1556. AR 2 Real (27mm, 6.64 g, 11h). Early series. Mexico City mint; J. Gutiérrez, assayer. Struck 1539-1544. Crowned coat-of-arms; to left, M between two annulets; to right, broken M or H between two annulets / Tablet reading PLVS and two pellets (mark of value) between crowned pillars of Hercules; G below. Menzel Mx-27 var. (denomination); Nesmith 10c var. (unlisted dies); BW 6.2. Faint deposits, light marks, deep dig on obverse. Near VF. Rare.

Reportedly found in the UK.