HOME
QUALIFICATIONS
SHOP
SERVICES
APPRAISALS
APPRAISAL REVIEW
VIP APPRAISAL CONCIERGE
EXPERT WITNESS & LITIGATION SUPPORT
SELL YOUR JEWELRY
CLIENTELE
ATTORNEYS
ESTATE PLANNING PROFESSIONALS
VIP & CELEBRITY CLIENTELE
LAW ENFORCEMENT AGENCIES
INSURANCE COMPANIES
INDEPENDENT JEWELERS
GEMOLOGY
GEM ENCYCLOPEDIA
THE ART OF GEMOLOGY
EDUCATION
DIAMOND FACTS
JEWELER DIRECTORY
JEWELRY PERIODS
POCKET WATCHES
NATIVE AMERICAN JEWELRY
TROMBONE CATCH
Trombone catch on a vintage floral brooch
The trombone catch is a type of safety catch used to secure the pin of a brooch.
The trombone catch was invented in 1910 and features a slide mechanism that secures the tip of the pin.
HOME
QUALIFICATIONS
SHOP
SERVICES
APPRAISALS
APPRAISAL REVIEW
VIP APPRAISAL CONCIERGE
EXPERT WITNESS & LITIGATION SUPPORT
SELL YOUR JEWELRY
CLIENTELE
ATTORNEYS
ESTATE PLANNING PROFESSIONALS
VIP & CELEBRITY CLIENTELE
LAW ENFORCEMENT AGENCIES
INSURANCE COMPANIES
INDEPENDENT JEWELERS
GEMOLOGY
GEM ENCYCLOPEDIA
THE ART OF GEMOLOGY
EDUCATION
DIAMOND FACTS
JEWELER DIRECTORY
JEWELRY PERIODS
POCKET WATCHES
NATIVE AMERICAN JEWELRY