Very good thread underway here.
Shield has wz.27 pattern national eagle of modified proportions filling the entire shield area. Ribbon ring of brass, non soldered. Ring suspender stamped along with the cross, convex shaped exterior surface, formed into an oval eyelet.
Crosses were distributed throughout the Home Army structure in 1943. No other particulars known from prior to this date.
Posted below are some close ups of the cross pictured earlier in this thread.