Vintage Swedish Fish Cocktail Fork for Herring, Sardine or Anchovies. The small serving fork has a figural fish design on the handle. PRIMA NS ALP": Denotes the material as nickel silver (NS) with an Alpacca alloy, also known as German silver, indicating a base metal plated with silver. "Prima" suggests a high quality within this category Marked on the back: PRIMA NS ALP Marked on the underside of the tines: SWEDEN The small fork measures approximately 4 1/2" long.