Specimen All World Reference Collection: 1900-39 accumulation all apparently handstamped "SPECIMEN", "ULTRAMAR", "AMOSTRA" or "Especimen" (many very faint) and many bearing the receiving handstamp of Angola (proving their origin), comprising Asia (42), British Empire (84), Latin America (287), Middle East (31) and others (451). A number of high denominations noted, though overall condition is generally poor.