Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 HYALITE HAT PIN // COPPER OBSIDIAN // 3.5" $42.00 An 8mm bezel-set copper obsidian stone hand soldered to a 3.5" brass pin. Complete with a stick pin cap. Quantity: Add To Cart Added! An 8mm bezel-set copper obsidian stone hand soldered to a 3.5" brass pin. Complete with a stick pin cap. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More You Might Also Like DELTA HAT PIN // 3.5" $62.00 GIBBON HAT PIN // PEARL // 3.5" $53.00 QUILL HAT PIN // CLUTCH $52.00 NAJA HAT PIN // 3.5" $34.00 HYALITE HAT PIN // PEARL // 3.5" $47.00