Just listed a bunch of nice chips on Ebay. Some are "extras" from the Robert Eisenstadt/Potter auction.
Below are a few.
Thanks for looking, Pete
https://www.ebay.com/sch/i.html?_sofindtype=0&_byseller=1&_nkw=&_in_kw=1&_ex_kw=&_sacat=0&_udlo=&_udhi=&_ftrt=901&_ftrv=1&_sabdlo=&_sabdhi=&_samilow=&_samihi=&_sadis=15&_stpos=98070&_sargn=-1%26saslc%3D1&_salic=1&_fss=1&_fsradio=%26LH_SpecificSeller%3D1&_saslop=1&_sasl=blackclayindustries&_sop=12&_dmd=1&_ipg=50&_fosrp=1