SOLID LE HAVRE DOUBLE CIRCLE POSTMARK ON THIS COVER FROM THE GERMAN FIRM OF KOPSTADT & COMPANY REGARDING A LINE OF CREDIT TO LOUIS WINDMILLER, WELL KNOWN NEW YORK MERCHANT AND POLITICAL ACTIVIST.  THE INTERIOR TEXT IS A FILLED OUT FORM IN GERMAN.  THE KOPSTADT MARK IS IN LOWER LEFT CORNER OF THE FRONT OF THE COVER. 

OF SIGNIFICANCE IS THE NEW YORK U.S. NOTES MARK WITH A RATE OF 18. THIS RATE IS NOT LISTED IN ASCC FOR 1872 OR THIS MARK (WHICH HAS STARS BEFORE AND AFTER THE WORDS NEW AND YORK). VERY NICE APPEARANCE. SEE SCANS BELOW FOR DAMAGE CAUSED WHEN SEAL WAS BROKEN.

A RARE ITEM STARTING WITH THE POSTMARKS AND INCLUDING THE SENDER AND ADDRESSEE. AUCTION CATALOG LISTING TWENTY YEARS AGO WAS $100.