(Retaliatory Rates) 1848 (Jul. 28) Blaircowrie, Scotland to Bernal Heights N.Y., folded letter with blue "Blaircowrie, JY 28, 1848" double-arc cds with red manuscript "1/-" rating, red London (7.29) cds, Liverpool (7.30) backstamps, carried by Cunard Line Cambria Aug. 5th to New York arriving Aug. 19th; some light fold wear, a Very Fine and attractive retaliatory rate use. Estimate  $200 - 300. $0 (Image)