Mexico, (Oaxaca) Oaxaca. 4 different postmarks on 2 covers and 2 fronts; ca. 1800's front with straight line postmark (Yag-Bash OJ1) and other front with two-line postmark (OJ4), both to Guatemala with "Real Factoria" wreath and crown cachet handstamp, 1828 folded letter with boxed postmark (OJ3, non-contemporary date on front) and 1838 folded letter with boxed date stamp (OJ5), Very Fine overall. Estimate  $500 - 750. $0 (Image)