Letter from Kolding June 1945 to Geneva, Switzerland. Stamped on front 'Postforbindelsen kun for Brevkort - RETUR AFS.' and crossed out with blue crayon - Backstamped date line mark '14 JUNI 1945', front with red line stamp '1239 - 7SEP 1945' in red, opened and closed with 'Brevåbningskontoret' red resealing label. Rare return mark, letter opnened on three sides.