U.S. Postal History #646

[New York] New York, "N. York" postmark on three separate folded letters; 1) 1785 usage with manuscript "5.8" at top right, addressed to Hartford Ct, postmark lightly struck; 2) two 1797 folded letters addressed to Philadelphia PA, each with manuscript "10" rate; usual file folds, Very Fine.
Estimate $200 - 300.