(Food - Oysters) W.O. McClusky, Shipper of Fresh Oysters, orange allover shaded ad design, on cover franked with 1890, 1¢ dull blue (s.e. at bottom) tied by partial Wheeling, W.Va. oval postmark, with original 1894 enclosure, Very Fine. Estimate  $200 - 300. $0 (Image)