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All metal is hard to paint, but copper is particularly difficult, IMHO! So your (and my) challenge this week is to find some copper (I found mine at a flea market – thrift stores are also good) and paint it. Remember that it's darker than you think. Squint and really compare each part of it to as many other parts of the scene as possible. You get lost when you only see the copper. Have fun!
Please be sure to follow the spirit and the letter of the challenge.
For example, each submission must be painted after the challenge is posted.