Pitcher with glasses "Bird Sirin," Pervomaysky Porcelain Factory, Sandstone, USSR porcelain RARETY Pervomaysky Porcelain Factory was once part of the Kuznets family’s enterprise, renowned porcelain magnates. The pitcher's height is 8.9 inches (22.5 cm). The glass's height is 2.2 inches (5.6 cm). No chips or cracks, gilding in ideal condition, no luster.