Burtsev Nikolay Petrovich, Ust' - Aldanskiy region, Republic of Sakha (Yakutia). 1907-1987. Steel. Hammer-work, carving, sanding, buffing, engraving. Brand "B". Size: body length - 12,9 cm, ring width - 5,6 cm, reed length - 13,0 cm, reed top - 1,7 cm, reed length - 12,9 cm, reed top - 1,9 cm.