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I disagree with you. There are many quite cheap hones with good honing qualities and they are cheap because they are still quarried unlike CF, Jnats and others.

Not sure what is your hone from those pictures. However for that money you can not loose. Well done.

You must be lucky to buy Cf as for price of LI. My experience is exactly oposite. This is mainly due to difficulty of recognising them apart. If you have clean green CF they are rare and great.
As...

I have few of each and have to say that if you looking more for universal hone to do your sharpening stage and final polishing with one then Coti is the way. If you looking just for polisher then...