I based my conclusion from pgs. 152 - 153 of the 'Bugert-Vol-1-SF' .pdf entitled '1870-S':
http://www.lsccweb.org/BillBugertBo...Vol-I-SF.pdf
The LDS WB-1 is the one showing the very weakly struck date and the absence of minute vertical lines in the obv. shield compared to the EDS:

I believe the U-shaped lines seen on my obv shield are negligent surface scratches and not die related.
http://www.lsccweb.org/BillBugertBo...Vol-I-SF.pdf
The LDS WB-1 is the one showing the very weakly struck date and the absence of minute vertical lines in the obv. shield compared to the EDS:

I believe the U-shaped lines seen on my obv shield are negligent surface scratches and not die related.




















