If a single shot, about $50 retail. A double barrel may go for as much as $400 if it is in almost new condition, but probably half that if it is still functional but worn.
"What is the value of a Diamond Arms 12 Guage single shot dated 1893 made in St Louis Mo?"
Value seldom exceeds 100 USD
About 44 MJ/kg accoridng to a paer by Colunmbia University dated August 2011.
$1050 legal currency
From the www.wikipedia.com :) URL is http://en.wikipedia.org/wiki/DeBeers_Diamond_Corporation Excerpt follows: The various companies within De Beers Diamond Corporation are responsible for around 40% of world diamond production by value.... The sales & marketing arm of De Beers is a company called the Diamond Trading Company (DTC). This company sells almost half of the world's rough diamonds by value...
Ask your insurance company how much it should be insured for. They'll consider the gold's value and the jewelry value, too.
50-100 or so
Many of these platters will sell for prices close to $100 each. The price of the platter will vary depending upon its condition.
The value of a diamond depends on the quality of a diamond, which is determined by the diamond's attributes or its 4 C's (which include: color, clarity, cut and carat weight). Generally speaking, the higher the quality of the diamond, the higher its value will be.
what is the value of the German mark coin with horse on back dated 1923
Diamond weight per se is not valued as a single component of a diamond's overall value. Weight is included with colour, cut and clarity to value a diamond.
It is possible that the old stock certificates from Standard Oil Company dated 1976 may have value as collectibles. However, since Standard Oil Company no longer exists as an independent entity, the value would depend on factors such as the condition of the certificates and whether there is demand from collectors. You may want to consult a financial advisor or antique appraiser to determine the potential value and how to best proceed.