FIVE GEM SET STICK PINS AND TWO BROOCHES, EARLY 20TH

2mm Diamond Low-Set Prong 14k Gold Flat Back Stud – FreshTrends

Stick Pins — DK Bressler & Co.

Vintage Brooch Signed Celtic Sea Gems Infinity Knot Green Red Gold

绅士的古董领针说- 知乎

Antique Silver Brooches - 2,059 For Sale at 1stDibs

Brooches - Stick Pins — Gembank1973

Identifying Types of Antique Hatpins

绅士的古董领针说- 知乎

Antique Sapphire Brooches - 1,733 For Sale at 1stDibs

ADVANTUS Aluminum Head Push Pins, Steel 5/8-Inch

JUNYY Vintage Female Five-leaf Flower Crystal Brooch

Stick Pins – Bentley & Skinner – The Mayfair antique and bespoke

Gentlemen's Accessories Online, 2019

Men's Jewelry: All About Rings, Chains, & More Accessories

外交场合中常有胸针出现，为什么胸针被认为是代表态度的饰物？如何理解投入首饰之中的感情？ - 知乎