Shop at your local flea markets, yard and garage sales, thrift stores or estate sales. Thats where I picked all mine up, they are all older ones and tend to have heavier globes and the lamp itself is usually sturdier, I picked all mine for 10 bucks or less, well worth the investment. I should also mention that in my opinion the glass ones are better, no chance of leaking. If your planning on moving them around a lot you might want to chose a metal one.
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Shadow out !!!

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