This 1861 copy of the Daedongyeojido, or a woodblock map of the Korean Peninsula by ... including an 18th-century cheonghwa baekja (cobalt blue and white porcelain) jar estimated between $41,200 ...

He also recognized the ecological destruction caused by colonialism, making him one of the world's first global environmentalists. In the 19th century ... who hired him to map their estates ...