Los 2747
1854 (Jan 16), entire letter from San Francisco to Boston, struck with very rare unframed 'VIA NICARAGUA/AHEAD OF THE MAILS.', struck in red (unlisted by Simpson in 'U.S. Postal Markings 1851-61'), franked by USA 1851, 3 c. brown-red imperforate pair, margins all around, tied by New York cds. (Feb 9) in black, slight file fold away from adhesives; a very rare entire
