Palestine 1930 Stamp - THIRD ISSUE - POLONIA ON FRONT - GENERAL ELECTRIC INSIDER COVER. Booklet nr. B.10. Pictorial stamps: 2 mils Prussian blue, 3 mils apple green 5 mils orange and 15 mils (Bale nr, 90, 91, 93 and 108) on vertically ribbed paper. This booklet is an original complete. This booklet is rare. include PH Cert. by K. Kaufmann.