Mexico, Stampless Covers, 1840-60's, 24 covers; mostly town boxed date stamp usages with a few others including 1850 red Mazatlan cds (M24) and 2 rate, 1863 Guanajuanto oval (GN4) and 1855 San Luis Potosi oval date stamp (SL8) with fancy "Franco". Estimate  $200 - 300. $0