Wwi Bulgarian Air Force Observer’s Badge certificate_of_authenticity it states: "1

it states: "1

covered on both sides with glass

The chin strap is fully intact and although there is cracking

the Banate of Croatia was created

Each side has a two piece black cotton swastika with a strip of silver outlining trim

Wwi Bulgarian Air Force Observer’s Badge certificate_of_authenticity it states: "1WWI Bulgarian Air Force Observers Badge in silver, center section and are eagle gilded (most of the gilding worn off), hollow center, marked 935 on reverse, 42. 91mm(width) x 76. 95mm(height), weighs 31. 3 grams, of superb quality German manufacture, of overall excellent quality and details, and an extremely rare original example; one of the rarest and most beautiful WWI flying badges.