query: SELECT DISTINCT ?item  WHERE {
   {?item p:P195 ?collectionstatement .
    ?collectionstatement ps:P195 wd:Q16335227  } UNION 
    { ?item wdt:P195 wd:Q51252 } .
    ?item wdt:P31 wd:Q3305213 .  
    } 
   LIMIT 4000