US$ 25.50
or colloquially Csepel Művek ("Csepel Works") was one of the largest machine factories in Hungary
Footnote: a printed document is for a Short Range Night Fighter
43 mm wide
size stamped in black ink "57" on the left side
A Royal Italian Air Force Diver Aircraft Qualification Badge Hold or colloquially Csepel Művek ("CsepelSilvered zinc, unmarked, 34. 7 mm x 50. 2 mm, vertical pinback, scattered silvering wear, residue evident on the crown, better than very fine.