Beautiful certificate from the Palo Alto Mining Company issued in 1893. This historic document was printed by A.S. York and has an ornate border around it. This item has the signatures of the Company's President, A. McDonald and Secretary, Jno. A. Hinks and is over 114 years old. Three assessment stamps on reverse. The Palo Alto mine, originally located in 1884, is located about three miles north of Merrimac. It had a 3 foot wide vein in granite with 2 stamp mills comprised of 22 stamps in 1890. The Palo Alto company held 130 acres with a quartz vein opened by five adits with a few hundred feet of workings. Some ore was taken out and milled at one of two stamp mills on the property. Other mines that were also part of the property included the Bonanza, True Fissure, and Baker. [ref: Ireland, California State Mining Bureau 1890 p129, 1893 p164.]