New Orleans City Post, Green Snowshovel and Boxed “Not Found” on 1852 Stampless Cover, New York to New Orleans

Stampless folded cover postmarked January 21, 1852, with red “New York Paid 3 Cts” marking, addressed to New Orleans. Upon arrival, struck with green “Feb. 1 N.O. City Post” snowshovel-style datestamp, boxed green “NOT FOUND”, and green “CAR 2” oval carrier marking. Returned to the post office and marked with red boxed “ADV.1.” (Advertised once).