Main Street by Sinclair Lewis Hardcover Vintage 1922 Over 100 Years Old!

Own this vintage hardcover edition of 'Main Street' by Sinclair Lewis, 1922, over 100 years old! There is what appears to be a water stain on the back cover and possibly also on the front cover (see photos). Pages do not appear water damaged. The only marking is a store mark/price on the inside back cover (see photos).