Аз Буки Веди Глаголь Добро Есть Живете Зело Земля Иже И Како Люди Мыслете Наш Он Покой Рцы Слово Твердо Ук Ферт Хер От Цы Червь Ша Ща Ер Еры Ерь Ять Yes, jkenzy66 is right)) Tthere is The mystery of Early Cyrillic Alphabet. Some scientists sure it's just an alphabet and some convinced it's a cryptography which holds deep religious and philosophical meaning. One version of "decoding(simple one) : Я знаю буквы. Письмо – это достояние. Трудитесь, усердно, земляне! Как подобает разумным людям. Постигайте мироздание. Несите слово убеждённо! Знание – дар Божий. Дерзайте, вникайте… Чтобы Сущего свет постичь!

It's an Early Cyrillic Alphabet!

Google it! These are letters and their names. Some believes that it's a kind of message that was left us by Ancients. Or something. (Vedic stuff)

It is written in the Russian alphabet in the old style, for example, if a modern German in Gothic writing.

seems like orthodox