Union and the Constitution, Patriotic Cover Front to Norway via Prussian Closed Mail

La Crosse, Wis. "JAN 11 1862" datestamp, addressed to Norway and sent unpaid at the 46c Prussian Closed Mail rate. Scarce “Detroit Mich Am Pkt/23” transit, and carried on Allen Line’s “Hibernian” from Portland with manuscript "46" in red. Svinesund transit mark at bottom right. Despite the front having stains, this is an extremely scarce destination for patriotic covers, very few are known sent abroad, especially to Norway.