1904 Registered Entire from Boulder, Colo. 2¢ red Postal entire additional franked with 1902 8¢ Regular Issue with no Colorado markings, but with corner card & original enclosure from Boulder, Colo., cover with rare "El Paso, Tex." Registry label with manuscript registry number, backstamped "El Paso, Tex. Registered" double circle postmark in violet, 8¢ adhesive just tied by violet Mexican Registry oval, slightly reduced at right, Very Fine and rare. Estimate  $500 - 750. $0 (Image)