1876 (Dec 26) two covers with 'New South Wales Commission' imprint at top & 'Main Exhibition Building PHILADELPHIA' at L/L both to NSW "via San Francisco" with 2c + 10c or 5c + 10c x2 tied by New York duplexes, vertical folds & some soiling. Very scarce.
(Qty 2)
PHILIPPINES: 1901 Overprints in Red $5 blue-green Scott 225, excellent centring, large-part o.g., Cat US$500. Philatelic Foundation Certificate (2003).