Here is the link to another first edition of Ross Poldark which includes the dust cover.www.abebooks.co.uk/servlet/BookDetailsPL%3D17%26tn%3DRoss%2BPoldark%26kn%3DFirst%2BEdition%2B%26an%3DWinston%2BGraham&cm_sp=snippet-_-srp1-_-title9
And here is the link to a first edition Demelza
https://www.abebooks.co.uk/servlet/BookDetailsPL?bi=30530750020&searchurl=sortby%3D17%26tn%3DDemelza%26kn%3DFirst%2BEdition%2B%26an%3DWinston%2BGraham&cm_sp=snippet-_-srp1-_-image9
Both these are significantly cheaper than others that are around at the moment.
Below is a link to another first edition of Warleggan with the paper cover. Anyone interested?
https://www.abebooks.co.uk/Warleggan-Novel-Cornwall-1792-1793-Winston-Graham/30572883821/bd?cm_ven=nl&cm_cat=trg&cm_pla=want_UK&cm_ite=viewbook