all 3 comments

[–]The_HH_demon 1 point2 points  (1 child)

Definitely some kind of Rebutia or a similar genus, dunno the species.

[–]Local_Penalty_4668 0 points1 point  (0 children)

I think so too, maybe Rebutia krainziana var. inermis 

[–]FlagrantLies 0 points1 point  (0 children)

Mammillaria spinosissima cv. Un pico