Watch List notes:

BULGARIA, Principality. Aleksandar of Battenberg. 1879-1886. AR 50 Stotinki (18mm, 2.49 g, 6h). St. Petersburg mint. Dated 1883. Crowned coat-of-arms between two banners, with leonine supporters, all mantled and crowned / Denomination and date in three lines within wreath. CBC p. 10; KM 6. In NGC encapsulation 5956757-002, graded MS 62.