A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 31 Page 4

how much you can buy with it, that’s the important thing; and it’s that that tells whether your wages are high in fact or only high in name. I could remember how it was in the time of our great civil war in the nineteenth century. In the North a carpenter got three dollars a day, gold valuation; in the South he got fifty — payable in Confederate shinplasters worth a dollar a bushel.

In the North a suit of overalls cost three dollars — a day’s wages; in the South it cost seventy-five — which was two days’ wages. Other things were in proportion. Consequently, wages were twice as high in the North as they were in the South, because the one wage had that much more purchasing power than the other had.

Yes, I made various acquaintances in the hamlet