Vintage 1940’s black gold rose stick pin new old stock

Unique and unusual black rose stick pin, this was brought to the USA by a emigre Ron the 1940’s it was part of her dressmaking stock. These pins were worn at the neck to secure a scarf on on the lapel. Often multiples were worn. Unused but possible minor storage wear, measure approximately 2” x .75” . Please see attached photos for details.