Cross-Pattee-Heraldry clipart almost 2 years 8 Roundel of Bulgaria 1918 clipart over 2 years 0 Bulgarian Air Force roundel 1944 (wings) clipart over 2 years 0 Bulgarian Air force fin flash 1912-1944 clipart over 2 years 0 Roundel of Bulgaria (1937-1941) clipart over 2 years 0 Roundel of Bulgaria (1944–1946) clipart over 2 years 0 Roundel of Bulgaria (1946–1992) clipart over 2 years 0