James Cheshire asks, "[A]bout how much is a Manus Island Tree Snail worth? I know it's illegal to sell them in the United States, but I was just interested." It's worth a stiff fine and confiscation of the shell, if obtained illegally. Such objects are valued, but not valueless, nor are they priceless. They are simply unpriced. With a tip o' the hat to Art, Andrew K. Rindsberg Geological Survey of Alabama P.S. Art Weil is not the bad poet that we called him as last Christmas. His book, "Cenwahl of Wessex, Six Fifty Two" (1988, Cincinnati, Ohio, KRB Publications, 77 p.) is on my desk as I write. "Cenwahl" shows a real talent for light verse and understated humor. Yes, I know it's hard to believe, almost impossible given the facts, but it's quite true.