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| Five Year Price Chart for Gold. |
Gold and silver prices have decreased lately, but not all metals have.
Above is the five year chart for gold and below is the chart for silver.
These charts are from ComexLive.org.
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| Five Year Price Chart for Silver. |
Notice on the chart how silver had a sharper curve and then fell off more after the peak than gold.
The next two charts are following a different trend. They might be considered industrial metals.
Here is copper.
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| Five Year Price Chart for Copper. |
And likewise aluminum had a dip a few years ago but has since been recovering.
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| Five Year Price Chart for Aluminum. |
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Here is the schedule for the Winter Park Coi Show in Orlando on May 6.
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Yesterday I showed a blue and white shard that was not hand painted, as you could tell from a microscopic view. Kang-Hsi porcelain was hand painted. Common later porcelain and pottery was decorated using other technologies
I found a nice chart that will help you date pieces decorated by these different techniques. Here it is.
So hand painting, although continuing to the present, was the technique characteristic of 18th century and earlier porcelain. Transferware became common in the late 18th century. And decals became common 18th century and later, while laser and digital printing is the modern technique.
Magnification will help you identify each.
Here are some links to sites will help you date your porcelain finds.The Chemistry of Porcelain: Understanding the Value of Hard vs. Soft Paste
Ceramic Glaze Crazing: Causes, Myths, Concerns, and Aesthetics
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The surf will decrease today and then the rest of the week we will have only around a two-foot surf.
Good hunting,
Treasureguide@comcast.net