19th Century Postal Cover from Brooklyn to Poland

United States · 1870 ·

The reverse side of a 19th-century postal cover, originating from Brooklyn, USA, and destined for Poland, displaying various transit and arrival postmarks. No stamp is visible on this side of the cover.

This cover illustrates the intricate postal routes and marking conventions for international mail during the late 19th century, connecting the United States with Europe and demonstrating the era's communication infrastructure.