Dr. Z. Bruck (not in Lugt). Carlo de Poortere (1917-2002), Belgium (L. 3467). E. V. Rouir (b. 1919), Belgium (L. 2156a).
Please note that there is a 4 mm. split with a 1 x 2mm. paper loss in the blank area of the sky in the upper left subject. The estimate has been revised to 8,000-12,000