国家:
![Christina Borissova](https://stor.calligraphy-museum.com/cache/author/author/1/FLfkdGWFz_C71QXMC-mRtisMBlCXUXfl.jpg?w=500&h=500&s=f8ee5efdf185db1d91b45e48046a916c)
![保加利亚 保加利亚](https://stor.calligraphy-museum.com/cache/country/12.jpg?w=39&h=39&s=bb701d0c94d0516384cb8f8702016a6a)
Christina Borissova
Sofia, Bulgaria
Calligrapher artist, graphic artist, associate Professor, Ph.D. at the National Academy of Fine Arts, Sofia, Bulgaria (NAFA)
![Oleg Yakhnin](https://stor.calligraphy-museum.com/cache/author/author/1/k1y0I7Y9agNPdJ14tJLZd8Nk8mHCJnO7.jpg?w=500&h=500&s=b430a39458809d8e7100c842c140a3d3)
![俄罗斯 俄罗斯](https://stor.calligraphy-museum.com/cache/country/5.jpg?w=39&h=39&s=eeb7ee7c855ef536563d569ea893a126)
Oleg Yakhnin
St. Petersburg, Russia
Honoured Artist of Russia, a corresponding member of the Academy of Humanities, a professor, an author and manager of numerous art exhibitions.
国家: