This uncirculated 10 Bulgarian lev note is a standard circulation banknote issued by the Bulgarian National Bank and designed by Kiril Gogov. It is an olive green, yellow, and blue note that is dated 2008, bears the signatures of Ivan Iskrov and Stefan Tzvetkov, and measures 126 mm x 70 mm. Its obverse side features a portrait of the educator Petar Beron, two globes, a rhinoceros, and a whale from The Fish Primer by Beron. Its reverse side shows a telescope, a map, a ringed planet, phases of the moon, and scientific equipment. Security features include a holographic stripe, a windowed security thread with a demetalized БHБ 10, and a watermark of Petar Beron with an electrotype БHБ. The details of this note have been verified and TAP Authenticated by Banknote World experts.