Watch List notes:

PF66 UCAM | Bulgaria, Ferdinand I (1908-18), gold proof 100 Leva, 1912-dated, Sofia mint, design by Rudolf Marshall, official 1967-68 restrike commemorating the Independence of Bulgaria from the Ottoman Empire on the 22nd of September 1908, bust left with Cyrillic Bulgarian legend ФЕРДИНАНДЪ I ЦАРЬ НА БЪЛГАРИТѢ surrounding, rev. crowned arms with branches of laurel and wheat dividing denomination, inscription ЦАРСТВО БЪЛГАРИЯ above, date below, 32.33g (KM 34; FR 5; Monev 40). About as struck, graded by NGC as PF66 ULTRA CAMEO.

NGC Certification 6321142-005.

Calendar Year Mintage 5,000.

Bulgarian legend on obverse translates as "Ferdinand I the Tzar of the Bulgarians", and the inscription on the reverse as "The Tsardom Of Bulgaria".
Estimate: £2,500-3,000