This is the Trumpeter 01523 kit in 1/35 scale, of the ‘German 2 cm Flakvierling 38 auf Selbstfahrlafette – Early version’.
Starting in 1942, an armor radiator shield and crew cab were intriduced as protection against shell fragments and small arms fire. The first series of 100 were completed from April 1940 through mid-1941. Continuing at a low rate of 10 per month in early 1942, production accelerated in August 1942 to meet the incrersed theart of Allied air power. Altogether about 750 to 800 were produced by the end of December 1944.