Watch List notes:

BULGARIA: Ferdinand I, as Prince, 1887-1908, AE 10 stotinki, 1887, KM-Pn2, initials AB, pattern with Prince's Oath coat of arms // central text with Orthodox Christian cross above with legend around including date and Oath, KM states a mintage of 8 pieces, PCGS graded Specimen 63BN, RRR.

Estimate: 500-600 USD