# 390 , Benjamin Franklin Vertical Coil - Perf 8 1/2 Horizontally , # 649 , Aeronautics Conference - Wright Bros Airplane , and # 680 , Battle of Fallen Timbers on this US Contract AirMail Route No 9 West , CAM9 , First Flight Cover , FFC . This cover is for the first day , September 1 , 1930 , that Beloit was made a stop on the Rock River Spur Route . Duplex cancellations Aug 31 , 1930 , 3 PM , Green Bay , WIS . American Air Mail Society Catalogue , AAMS , # R9E24 . Addressed To : Mr I Weinstein , General Delivery , Beloit , Wis . 2 Red , White and Blue Via Air Mail Labels , one label with a Biplane . Receiving cancellation on front - Sep 1 , 1930 , Beloit , Wis , Gen Del . Return Address on Back : I Weinstein , General delivery , Worcester , Mass . F-VF , See Scans . $1.00 shipping & handling to a USA address / $2.00 shipping & handling elsewhere . Combine S/H - Add 25 cents more for each additional item . Personal Checks and Money Orders must be drawn on a US bank . Please view my other listings . Thank You . APS # 196666