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There were a large number of China Trade Artists, who painted ship portraits of Western vessels but did not sign their works. Typical for their paintings is a somewhat monotone style, the green-grey sea and the more or less simple handling of the sky. Often local shipping is shown in the background and in rare case they added a topographical view of the city where they worked. Several of these Chine Trade pictures show an extensive crackle and few pictures are still in good condition today. We have to note on this occasion that the Chinese artists also copied Ship Portraits by Western artists.