The Lissner Collection, Lot: 57. Estimate $300. Sold for $3500. This amount does not include the buyer’s fee.

BULGARIA, Principality. Aleksandar of Battenberg. 1879-1886. CU 10 Santim Essai (31mm, 10.03 g, 6h). Oeschger Mesdach & Co., diecutters. Dated 1880 OM. KM E1. In NGC encapsulation graded MS 65 RB. Lovely red peeking through light brown proof surfaces. Extremely scarce copper essai. Rarely seen or offered.