1935 (23.IX.) incoming unfranked cover from Kuopio, Finland to Tunis endorsed Express under despatch cancel, framed ‘T’ handstamp and blue crayon “41 2/3c” , a 1923-29 3f. violet/rose postage due applied and tied by machine cancel, but the charge was refused and stamp with green crayon cross, address similarly erased and thee-line handstamp TUNIS/ RETOUR/ A L’ENVOYEUR front and back. Small tear at top of envelope.