2 Gr. Small breast shield blue and 1 Gr. Large shield carmine, in each case from the left lower corner of the sheet with scissors separation (field 141 with tiny margin of sheet left) as properly franking on international fold letter from \"Gdansk 12.1.72\" with red boxed handstamp of one line P. D. To Bordeaux with arrival postmark, good total maintenance, detailed photo expertize Sommer BPP, very unusual use from 2 margin copies on a cover!