JANGSOODOL BED
The Korean characters in the mark transliterates to "Jangsoodolbed", "Jangsoo", "stone bed", "stone" and "bed".
The English translation of the words "Jangsoodolbed" translates to "longvity stone bed", "jangsoo" translates to "longevity", "dolbed" translates to 'stone bed", "dol" translates to "stone" and 'bed" has the usual English meaning "a bed".