Is that a wddo? Almost all DDO's for the year are double eyelids. Yours doesn't show any doubling. http://varietyvista.com/01a LC Doubled Dies Vol 1/1927PDDO002.htm
I looked and could not find it as a PUP for either VV or Wexler. Not sure what DLP is using as a reference.
Coneca VV has been here the longest, I do trust Wexler, I don't have much experience with Coppercoins. The example that they have produced looks worn and it is possible that all can be explained away with wear and damage. Are there any other markers or doubling on your coin that would say DDO?