It was popular and reasonably priced, but seems like all disappeared. Not imported anymore? Appears still available in Canada.
http://www.baikalcanada.com/air_rifles_izh61.htm
http://www.baikalcanada.com/air_rifles_izh61.htm
Pyramyd Air makes/imports an I house version under their house brand.
https://www.pyramydair.com/s/m/Air_Venturi_TR5_Multi_Shot_Target_Air_Rifle/4682