"The NECA Errorscope" double issue of May and June 1970, Volume V No. 1 and 2.  Roughly 60-70 pages in length, a huge issue (Error-A-Rama 1970 Special Issue).  This monthly error coin club journal / magazine / publication was sent to all subscribing N.E.C.A. (Numismatic Error Collectors of America) members.  Filled with research articles, new finds, news and commentary, and ads.  These early issues are rarely seen or offered.  Pristine condition.  Shipping reduced for multiple purchases (wait for my invoice).