The International Silver Co. Royal Danish USA mark is found on pieces made in the Royal Danish pattern by the International Silver Company. This iconic design is part of the company’s sterling silver flatware line and is recognized for its Scandinavian-inspired elegance, featuring streamlined forms and subtle decorative motifs. The mark confirms the maker (International Silver Co.), the pattern name (Royal Danish), and the country of origin (USA), all of which help verify authenticity and design attribution. Popular since its introduction in the mid-20th century, Royal Danish remains a sought-after pattern among collectors and those looking to complete existing sets.