9ct Huge Heavy Chunky Flat Curb Chain 353g Hallmarked XRF Checked. Huge heavy chain, not for the faint of heart, a whopping 353 grams. The chain has had an XRF check and is fully hallmarked. The item "9ct Huge Heavy Chunky Yellow Gold Flat Curb Chain 353g Hallmarked XRF Checked" is in sale since Thursday, March 11, 2021. This item is in the category "Jewellery & Watches\Fine Jewellery\Fine Necklaces & Pendants\Precious Metal without Stones". The seller is "cashbrokershalesowen" and is located in Halesowen, West Midlands. This item can't be shipped, the buyer must pick up the item.