News | June 20, 2025

Mormon Founder’s Family Letter Tops Swann Galleries’ Americana Sale

Swann Galleries

Personal letter from Joseph Smith’s maternal grandmother, Lydia Mack, among papers of his New Hampshire uncle, 1777 – 1822. Sold for $32,500.

The top lot at Swann Galleries' Printed & Manuscript Americana auction included the only known letter by Mormon founder Joseph Smith’s grandmother Lydia Mack. 

It was among a group of letters from Joseph Smith’s New Hampshire uncle, and the only known letter by Lydia Mack, which sold to a collector for $32,500. It was unearthed by Rick Statler, Director of Books & Manuscripts, among an otherwise unremarkable collection of c. 1800 New Hampshire family papers. Other Mormon material included the family papers of Mormon pioneer John Silvanus Davis which sold for $13,750.

The papers of Panama Canal engineer Harry Rousseau sold to an institution for $16,250, and the papers of his father-in-law, Herbert Squiers, a diplomat in China, made $9,750. The letters and diary of a Northerner observing slavery in Mississippi in 1859, again found among a larger collection of family papers, went for $13,000.

Highlights from the books section included:

  • the first European history of the American Revolution, Geschichte der Kriege, 1776-77 ($5,000)
  • the Revolutionary War naval print Memorable Engagement of the Serapis, 1780 ($6,500)
  • Horacio Carochi’s 1645 first edition Arte de Lengua Mexicana ($10,400)
  • Maturino Gilberti’s Vocabulario en lengua de Mechuacan, 1559 ($20,000)
  • Thomas Hariot’s Admiranda narratio fida tamen, de commodis et incolarum ritibus Virginiae, 1590 ($23,750)

Of the 25 top lots, six sold to institutions, and seven to private collectors.