You have a hand painted Japanese Satsuma style set with the Goddess Kannon featured. The raised areas of paint is a decorative application referred to as moriage. The gold is real, however there is no longer a precious metal melt down value as the cost to extract the gold will exceed the value of the amount extracted.
These are a bit flat on the market currently; many of these sets came home to the US with American military members and now that the "Greatist Generation" is passing, there is an influx of these on the market and supply is exceeding demand. Prices and values were also heavily impacted by the Recession in 2008 and have not yet fully recovered to sale prices prior to 2008.
On today's market, these sets sell for $75 - $200 depending on the number of pieces.
Here is a link for you to a 24 piece set that sold for $159.95:
This 20 piece set sold for $99:
If there are lithophanes at the bottom of the cups (pictures you can see when you hold cup to the light) then the sets sell for $300 - $450. Here is a set with lithophanes that sold for $355:
You can, however, ask any price you please on an item you own, they key factor is finding a buyer at your asking price.
Bear in mind that an ‘asking price’ is one that has not been sold yet and a true sale value is based on actual past documented sale records.
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