If you are amenable to Ebay purchases three MFSL's are for sale for $40.00 and under.
http://shop.ebay.com/i.html?_nkw=moody+blues+lp+days+of&_sacat=0&_trksid=p3286.m270.l1313&_sop=3&_dmpt=Music_on_Vinyl&_odkw=moody+blues+lp&_osacat=0
http://shop.ebay.com/i.html?_nkw=moody+blues+lp+days+of&_sacat=0&_trksid=p3286.m270.l1313&_sop=3&_dmpt=Music_on_Vinyl&_odkw=moody+blues+lp&_osacat=0