CLINTONVILLE, WI 1948 POSTMASTER SIGNED 1st FLIGHT, WISCONSIN CENTRAL AIRLINES For Sale

I HAVE FOR SALE AN ORIGINAL RARE ENVELOPE OR COVER FROM CLINTONVILLE, WISCONSIN. THE COVER IS FROM THE WCA (WISCONSIN CENTRAL AIRLINES) FIRST AIRMAIL FLIGHT FEBRUARY 25, 1948 IN A LOCKHEED 10A ELECTRA AIRPLANE AND IS POSTMARKED FROM CLINTONVILLE AND POSTMARKED ON THE BACK FEBRUARY 25, 1948 DULUTH, MINNESOTA. THE COVER IS SIGNED BY THE POSTMASTER ON THE FRONT. THE COVER IS IN VERY GOOD CONDITION WITH VERY LITTLE WEAR. SHIPPINGIS $1.29 WITH SECURE PACKAGING. DON’T MISS THIS OPPORTUNITY TO OBTAIN A RARE PIECE OF CLINTONVILLE, WISCONSIN AND WISCONSIN AVIATIONHISTORY THAT YOU MAY NEVER SEE AGAIN. THANK YOU