US: 1940 4 Famous Am Authors Precancels ERROR f/FREDERICKSTED VI (734) Quite scarce

ONLY US TERRITORY WITH A PRECANCEL ERROR!!

Wonderful example of the ERROR on stamp.  

See scan for condition and orientation.  Sold as is.

Shipping discounts:  1^st item as described. $.95 Each additional Item.                                                                             

THANKS  FOR  LOOKING