A pair of Chinese Export blue and white frog boxes and covers.  Photo: Christie's Images Ltd., 2012

Each as a spotted frog with beady eyes and pierced nostrils, a baby frog on its back as the finial; 10½ in. (26.6 cm.) long (4).  Estimate $2,000 - $3,000. 

Christie's. Chinese Export Art. 23 January 2012. New York, Rockefeller Plaza www.christies.com