Armenia Pick Not listed, Government Bonds, 500 Rubles, AU-UNC
In 1993, after breaking links from the Russian Rubles, and before establishing the Armenian Currency, the Dram, the Armenian Government issued two Bonds, 500 and 1000 Rubles which were in circulation for a short time.
The back has detailed description, both in Armenian and Russian, for the dividends to be paid on yearly basis.
See the image. You will get this exact note with Serial #006/13189.