http://www.britishmuseum.org/research/search_the_collection_database/search_object_details.aspx?objectid=109938&partid=1&IdNum=6752&orig=%2fresearch%2fsearch_the_collection_database%2fmuseum_number_search.aspx

http://www.britishmuseum.org/research/search_the_collection_database/search_object_details.aspx?objectid=117617&partid=1&IdNum=37348&orig=%2fresearch%2fsearch_the_collection_database%2fmuseum_number_search.aspx