Vintage 1970s BAHX CCCP All Russian Exhibition Center Blue Enamel Gold Lapel Pin

Vintage 1970's BAHX CCCP All Russian Exhibition Center Blue Enamel Gold Lapel Pin This beautiful pin has a gold background and blue and red enameling. I don't read Russian but I believe based on research this pin is from the 1970's and is a building at the Russian Exhibition Center in Moscow, The pin measures about 1" x 1". Excellent vintage condition!