Antique Hallmarked Art Nouveau 14K YG Diamond Stickpin w/ Beautiful Girl

Description

Antique art nouveau solid 14K yellow gold stickpin with a beautiful girl with flowing hair, accented with a small mine cut diamond.  The diamond measures .05 ct.
The stickpin is marked on the back,
14K with a hallmark that looks like an arrow with the letter C.
Weight without gold plated tension safety:
2.5 Grams or 1.6 Dwt.
Very good antique condition.
Head is in very good condition.  The stickpin post does have some minor scuffs from normal wear and movement of the tension safety, as shown in my last picture.
Thanks for looking!