Four Chinese Overlay Glass Snuff Bottles 20th Century Each flattened bulbous form, the first, opaque white ground overlay in cherry red with a dragon in clouds; the second, opaque white ground overlay in orange and burnt red with 'Auspicious Emblems'; the third, yellow ground overlay in shaded red with birds in flowering trees; and the fourth, snowflake ground overlay in blue on opposing sides with elephants carrying an urn and a vase. H of tallest: 2.5in 6.4 cm