Early 20th century 10k Onyx seed pearls Mourning brooch glazed panel compartment Reverse JR0005

This is a gorgeous Victorian locket brooch or pendant, circa 1880-1890, in fabulous condition!
The body of the locket is made of black onyx.
The front face of the locket displays a wreath with Fleur Dis Lis made of 10kt yellow gold with cultured seed pearls, 0.8mm to 1.1mm, a total of 27
The locket portion is made of 10K yellow gold, the crystal is 25.0 x 20mm.
This unique piece is more than a brooch, it holds a sentimental memory that is close to your heart as you wear it. The locket measures 1 3/4" x 1 3/8", weight 23.0g, no hallmark, tested for 10K