Via Nicaragua Ahead of the Mails/Leland. Perfect sitrike of blue rectangle handstamp on cover, beautifully addressed to South Boston, Massachusetts, franked with 1851 3¢ dull red pair (plated as 73-74L3, mostly large margins) tied in transit by "New-York/ Sep 9" cds, Extremely Fine and choice, a stunning cover in superb condition; ex-Wiltsee and Haas; with 1981 P.F. certificate. Estimate  $5,000 - 7,500. $0 (Image)