Below are photographs sent by Dr. Guseyn Guseynov and Dr. Rabadan Magomedov to Kavehfarrokh.com. These are two stone bricks inscribed with what appear to be ancient rune-type insignia and patterns. The location is in the village of Aknada in Daghestan, located in the northwest Caucasus.
[Click to Enlarge] Another stone brick bearing circular patterns resembling the Celtic arts of ancient Europe as well as the Dailamites of Northern Iran (Picture Source: Dr. Guseyn Guseynov and Dr. Rabadan Magomedov).
[Click to Enlarge] The above picture is from Magomed Rabadanov, from the village of Shapikh in Daghestan. It would appear that the stone bricks seen in the above photo were originally collected outside of Shapikh in order to build the above wall (Picture Source: Magomed Rabadanov, sent to Kavehfarrokh.com by Guseyn Guseynov).