a) color slide. NC 1st pin 1908 – 1917. b) color slide. NC 2nd pin 1918. c) color slide. NC 3rd pin 1923 -1942 . d) color slide. NC 4th pin 1942 – 1947 . e) color slide. NC 5th pin 1947 – 1954 oak leaf f) color slide. NC 6th pin present pin
1989-047/002a-f