Spanish Civil War - Santander, Palencia, & Burgos

Republican Zone of Santander, Palencia, & Burgos in the north of Spain. This interesting period of history, with socialists (Republicans) battling nationalists (Loyalists), was a precursor to World War II. This is accentuated by fact that Nazi Germany participated in the conflict and used the experience and weapons testing as a way to help prepare their planned Blitzkreig (lightning war, with a total commitment of massive & varied forces) for attacks across Europe.
I would like to invite experts in this specialty to provide opinion on the authenticity of the examples of the series presented here.
Uneven toning but as pronounced as the scan indicates, lightly reeded, no wear or distractions. Unusual stepped design on the Rx.
Follow this link to the Moneta Library for an extensive illustrated article on Spanish Civil War Coins and Tokens:
Spanish Civil War Coins - Horvitz: http://snk.to/f-c71my9ic