Czechoslovakia, Socialist Republic. A Military Technical Academy Badge 1954 visually-hidden with white narrow strip at

with white narrow strip at the outer edges

when the USA became involved in the Second World War

Constructed of machine-embroidered rose-pink thread on a black wool backer

forest green patterned exterior

housed in its original Thai case of issue with velvet exterior and silk-lined interior bearing the official government crest and Thai script

Czechoslovakia, Socialist Republic. A Military Technical Academy Badge 1954 visually-hidden with white narrow strip at(Vojensk technick akademie). Two piece construction, in frosted silver with red and blue enamels, marked "PRAHA" (Prague), hallmarked with a goat's head above the number "3" (900 silver), marked "900" (silver) and number engraved "229" on the reverse, measuring 52. 9 mm (w) x 67. 3 mm (h), maker marked "ZUKOV PRAHA XI" on the screwback, small chip in the central enamel of the crest, gilt wear on the leaves, remains very fine.