Czechoslovakia. 4 Ducats, 1928. Fr-6; KM-X4. Weight 0.4425 ounce. For the 10th Anniversary of Republic. One year type. (Unpriced in BU in KM). Only one graded higher by NGC and Scarce in this quality. NGC graded MS-65. WINGS. Estimate Value $1,100 - 1,200