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Found a gold ring engraved

Found a gold ring engraved with cop 91© 8 on it, what does this mean? And is there any worth to it
1. 2 answers
2. asked by Liz
3. 3,535 views
A jewelry store in Lanberry bought a gold ring for $550 and marked it up 50% from the original cost. Later on, Beth purchased
1. 1 answer
2. 66 views
A jewelry store in Lanberry bought a gold ring for $550 and marked it up 50% from the original cost. Later on, Beth purchased
1. 2 answers
2. asked by shania
3. 2,539 views
Pure gold has a density of 19 g/ml. If you bought a gold ring and found it had a volume of 0.3 ml and it weighed 5.7 grams, is
1. 2 answers
2. asked by Jerome
3. 3,924 views
a ring made of diamond and gold ( sp. gravity respectively 3.5 and 17.5) weight 7.35*10^-3 kg. when immersed in water , the ring
1. 1 answer
2. asked by palash
3. 1,052 views
Your friend comes across a good deal to purchase a gold ring. She asks you for advice for you to test the ring. The ring has a
1. 2 answers
2. asked by Liz
3. 1,417 views
Your friend comes across a good deal to purchase a gold ring. She asks you for advice for you to test the ring. The ring has a
1. 1 answer
2. asked by Justin
3. 983 views
Alicia's cheapskate boyfriend gave her a ring he claims is 24 carat gold. Alicia is skeptical. After chem class the next day she
1. 3 answers
2. asked by Patrice
3. 3,983 views
A jewelry store sells 14-karat gold rings, 18-karat gold rings, and platinum rings. Each ring is set with an emerald, ruby,
1. 1 answer
2. 131 views
A jewelry store sells 14-karat gold rings, 18-karat gold rings, and platinum rings. Each ring is set with an emerald, ruby,
1. 3 answers
2. asked by Sup jugalo's
3. 94 views