![]() | First Day of Issue = November 14, 2001 Size: 59.00 mm x 29.00 mm Quantity printed = 200,000 Perforated 10.00 x 11.50 Print method: Lithography Part of a 2 stamp set showing Latvian seamen (the other stamp is 0538.jpg). This stamp shows Jacob Ketler (1610-1682), a Baltic German Duke of the Duchy of Courland and Semigallia (1642â1682) and a shipbuilder. Catalog numbers Scott 539 Michel LV 558 For more information check out the links below Jacob Kettler |