Horace Welch first patented the floating opal in 1922, he perfected the patent in 1929 when he applied again. The patent was approved by 1931. As this piece is marked PATS.PEND we can date the piece to the 1929-1931 period.
Era: Art Deco c.1929-1931
Hallmarks:14K Pats.Pend.
Composition: 14K Yellow Gold
Primary Stone: Opal Chips
Pendant Measurement: 25mm x 11mm
Total length: 16"
Necklace Weight: 7.4 grams
Necklace Condition: Excellent estate condition, ready to wear.
