I have Liberty Fund copies of Smith which I use more regularly, but my favorite copy of Smith is one from my great-grandad's library. I'm no book expert, but I think it is from 1910. Edwin Seligman (Columbia University) has an introduction to it, and in its list of previous printings of the Wealth of Nations by other publishers, the most recent it lists is 1904. The earliest edition from this publisher with a Seligman introduction is 1910, so I'm guessing this is from 1910 (if it were one of the later editions, you'd think it would have listed the 1910 edition).
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