hello everyone, ive obtain 4 frames lately, 2 track frames, a Benotto road, and a Rosin frame. I would like to ask you guys how genuine these could be, specially the benotto and the Rosin. and i would also like to ask if anyone recognize the two track frames.

thank you all.

blue track frame
http://imgur.com/a/fsl0D

Benotto frame
http://imgur.com/a/OueNS

Rosin frame
http://imgur.com/a/Id2Z6

Red track frame
http://imgur.com/a/7CIIS