Circa:  early 1900'sMaterials:  rose gold overly, sterling silver, gold filled antique chainMeasurements:  just over 20 inches of wearable length, pendant portion measures 2 1/8 inches wide, and just over 1 1/4 inches tall, weighs a total of 23 gramsExtra Info:  beautiful antique engraved monogram necklace, i think the initials are GTC?  the engraver's workmanship is masterful, such flowing script.  gold overly onto sterling silver (tested, not stamped).  conversion piece from buckle to necklace Buckle Necklace, Carnelian Necklace, Necklace Antique, Monogram Necklace, Glass Rings, Engraved Necklace, Jewelry Care, Dog Tag Necklace, Antique Jewelry