Ixelles to London in 1920

This registered cover was sent from Ixelles on 12 April 1920 and addressed to a lady in London.
Cancels on the back prove that the cover made the trip across the Channel.

Characteristics: Featuring the 1F+1F single Bad perforation on top side of stamp Registered (Ixelles-1) Two British cancels on back, each dated 14 April 1920 Short tear in the front; rough opening tears on the back
Estimated value: $230 [Purchase price in March 2004]