Stmr. Sierra Nevada, Via Nicaragua, Advance Of The Mails, blue over handstamp struck over light strike of blue "Via Nicaragua, Ahead of the Mails" two-line framed handstamp on buff cover bearing 3¢ dull red (11A) pair tied by "New-York Jun 26" cds addressed to New Baltimore N.Y., forwarded upon arrival; edge wear and part of flap missing, F.-V.F. Estimate  $400 - 600. $0 (Image)