The picture shows a view of this Detailed Brass Plated Biplane Jewelry Pin. There is no mark and the maker is unknown. There is no date and the year it was made is also unknown. It is a nice bright 3-D pin of a biplane with a tie tack type pin on the back. It is brass plated on a lightly magnetic metal. The pin measures 1-3/4'' long. It is in mint condition as pictured.