The text is very similar to the Baikal (Kuban-Don) inscriptions.
Пряслица I, E-87
Found during the archaeological excavations near the Minusinsk foundation in 1948.
Stored in the Minusinsk museum. Inv #2164 / 9530.
A rounded disk made from stone for spindle.
There are texts on three sides and a sign.
The round length is 4 cm; height is 1.2 cm.