I'm using the bottom side so no problem, label is protected with transparent nail polish
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There are some stones appearing "comparable" to the black/blue metallic looking Special Stones only for Good razors...
I also own three of these hard type stones with these glittering inclusions, a crosscheck identified mine to be a Pierre Aiguiser Naturelle de Saurat...
Talking with several a people we came to the conclusion that depending on the lapping level in thinking of finess...they can be quite good performers..
Using with water they give a harsh uncomfortable shave, using oil my grit estimation is above 6k-8k, some seems to get a bit higher then that...
The interesting thing is that your example is stamped and ive only seen one other example of those stamped hones, its from Modine on R&S....these just do look to different from the metallic looking special Stones...with their sometimes visible pockmarks.
Just had to buy it to complete the collection ;-) this is the AD20...
There have been two versions...
AD12 in 120x60mm, Price 30,24 F
AD20 in 200x50mm, Price 50,04 F
https://farm1.staticflickr.com/353/1...6cf621_c_d.jpg
Stamped "extra Fine":
https://farm1.staticflickr.com/339/1...70e0b4_c_d.jpg
Video:
http://youtu.be/AOmD6DGAfz8
Also here a big thanks again to FERDI!!
just because its great to have the pricelist available and check for the sizes and types!!
Interesting!
I know it isn't a "La Lune" or a "Special Stone" of course, but the mentioning of being a concurrent of "La Lune" seemed intriguing, the stamp "Super Fine" does fulfill its promises, I must say, I've got a HHT4 out of it and a nice shave, maybe indeed a bit harsh, but not uncomfortable. Although it cannot compete with my Jnat's, it can go farther than my coti's, so the "grit-range" seems to fit.
I can relate that the finish is dependable to its lapping level, it indeed seems to be the case.
Still trying to get the best out of it, but it's promising ;)
Thanks!
This stone is called on the french forum CCC (coupechouclub) "la pierre du sud ouest" (the stone from the south west) because as I lived there I have find a very large number of these stone near Toulouse.
La mystérieuse "Pierre du sud-ouest"
It's a kind of very soft coticule, a very good finishing stone !