Lot
612 
[Mexican War] Detroit, Mich May 23, red cds and matching "Free" rating handstamp on cover addressed to 1st Lieut. Frank Woodlidge 2nd Artillery, with Genl. Scotts Army, Mexico and endorsed "Belonging to the Army"; edge tear, otherwise Very Fine. Estimate $150 - 200.
The Act of March 3, 1847, stated "All letters, newspapers, or other packets, not exceeding 1 ounce in weight, directed to any officer, musician, or private of the Army of the United State in Mexico, or at any post or place on the frontier of the United States, bordering on Mexico, shall be conveyed in the mail free of postage during the present war and for three months after the same may be terminated." Such letters had to be endorsed "Belonging to the Army".
Realized: $180