SAN LUIS POTOSI. LONDON. 5 Shares of £10. red. No 2666-70. Folds Large square format. The Catorce was renowned in Mexico for the wealth of its silver mine. Mining company founded 1825 with British capital (£150,000). Very early date, as most of such British ventures in Latin-America date from the 1840s and 1850s. Certainly extremely rare.