Autograph Letter, third person, to "Mr. Sunter" (stationer)

Three pages, 8vo, somewhat faint but good. "Mrs William Thornton presents her compliments to Mr Sunter & requests that he will be so good as to send her tomorrow 2. Dozn. of Letter sized Envelopes, with Quenns=Heads stampt upon them. Also 2. Dozen of a larger size of Letter Envelope without [underlined] Queens-heads.- Likewise a ver soft black-Lead pencil for making a very marked [page 2] outline in drawing, & a quire of Letter=paper of that very thin sort used for writing to France or India./ Mrs. W. Thornton would also be extremely obliged if Mr. Sunter would send the enclosed Letters to the post=Office this [underlined] evening as so many mistakes [page 3] have occurred at the Post office here-/ Address the parcel as follows, with the bill [underlined from "with"] "Mrs. W. Thornton/ Chas: Harland's Esq-/ Sutton Hall/ Sutton the forest". Was Gunter or Sunter the York bookseller? Robert Sunter was a York printer c. 1855 (Hodson's). See #2297 (Sunter = bookseller