Mexico, (Zacatecas) Aguascalientes, red crown circle handstamp (Yag-Bash Z15-9) on colonial letter sheet to Mexico City ca. 1785, Very Fine, crown at the top of this early red postmark not shown in YB version, 9 point mark on a scale of 10 in the book, a lesser quality copy sold in the famed 1991 Camino sale, few known.; signed John Bash. Estimate  $1,000 - 1,500. $0 (Image)