10K Gold Vintage Man's Class Ring Alexandrite Herff Jones Heavy 1969 16 Grams. This vintage 10K gold high school class ring is from Mancos high school in Colorado. It was manufactured by Herff Jones, which is hallmarked inside of the ring. It is the class of 1969. This is a hefty 16 grams, is 3/4' wide from front to back on the top.The alexandrite stone measures 10mm by 12mm. It is faceted but you need to turn it in the light to see that. I don't see any scratches on the stone. A nice collector's piece in good used condition. The item "10K Gold Vintage Man's Class Ring Tanzanite Herff Jones Heavy 1969 16 Grams" is in sale since Friday, August 16, 2019. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Retro, Vintage 1930s-1980s\Rings". The seller is "tofogfan9" and is located in Baker City, Oregon. This item can be shipped to United States.