A very scarce group of early ambulante covers (three different) took me years to put together. See scans for the choice conditions of these perfect covers; they are.The item "Guatemala Early Ambulante (Railroad post office) 3 covers Scarce to Rare" is in sale since Tuesday, January 14, 2020. This item is in the category "Stamps\Latin America\Guatemala".
The seller is "fotofila" and is located in Calexico, California. This item can be shipped worldwide.