Hello Mel,
Since your coin is in circulated condition, like the one in the picture, it will bring essentially its value in gold bullion. If it were completely uncirculated and in a holder to protect it, the coin would carry a premium above bullion value due to demand from coin collectors. My guess is that the premium for uncirculated condition would be 10 to 20 percent more than bullion value.
But bullion value is not too shabby these days. You correctly report that your coin contains 0.1867 Troy ounces of gold bullion. At $1000 US dollars per Troy ounce (today's gold rate), that's $187 in bullion value.
Suppose you were to sell the coin on eBay. It would probably fetch $180 to $200 auction price assuming you had a good eBay feedback rating. Fees from eBay and PayPal would eat into your profit by about 5 percent. If you do not have a good eBay feedback rating, figure 25 percent additional fee to have someone sell it for you.
