I have the following rivens for sale
im on PC platform, sorry to console users

prices are not fixed and are open to offers, i placed top end values on each based off warframe.market, so dont see them as the price as such.

Basmu - https://i.imgur.com/XoLDFW5.png
Boar - https://i.imgur.com/0ipl7Ve.png
Proboscis Cernos - https://i.imgur.com/WF9wVWX.png
Corinth - https://i.imgur.com/RyAbCeJ.png
Gaze - https://i.imgur.com/g6FlrQ7.png
Gotva Prime - https://i.imgur.com/HnKgnBC.png
Kohm - https://i.imgur.com/egXxnrH.png
Kuva Bramma - https://i.imgur.com/DTXX0Ct.png
Nukor - https://i.imgur.com/FKAkTAN.png
Nukor - https://i.imgur.com/T9ocoJJ.png
Nukor - https://i.imgur.com/9hOjAXF.png
Nukor - https://i.imgur.com/Ybwsa1f.png
Phage - https://i.imgur.com/oJltuSL.png
Supra - https://i.imgur.com/7OhqQXW.png
Tigris - https://i.imgur.com/TxEFRHI.png
Tombfinger - https://i.imgur.com/CK4eTT8.png
Veldt - https://i.imgur.com/Ogw4RvY.png
Verminsplicer - https://i.imgur.com/zaktajJ.png
Zarr - https://i.imgur.com/nxczYM1.png

https://warframe.market/profile/LevyGaming617/auctions

listed here as bids now
feel free to check out