New York Ocean Mail, two covers, first "New-York Aug 11" ocean mail cds ties 1851, 3¢ orange brown (pos. 98R2E) on 1851 folded letter to Providence R.I. (ex-Koppersmith), second "New-York Dec 24" ocean mail cds ties two 1851, 3¢ late orange brown singles (pos. 1R1L, 71R1L) on folded cover to San Francisco Cal., Chase notes on reverse; each cover with file fold affecting stamp, Fine and rare pair. Scott No. 10A  Estimate $200 - 300. $0 (Image)