1788 ALS Letter From King William IV As Duke Of Clarence

1788 Handwritten letter signed “William”, and based on the context and the engraved portrait included, it relates to:

King William IV of the United Kingdom (reigned 1830–1837), formerly the Duke of Clarence.

Autograph letter signed (ALS) by William (likely as Duke of Clarence)

In 1788:

Britain was under George III

Weymouth was a royal seaside retreat (very fashionable and royal-linked)

William was:

Younger

More actively tied to naval service and royal family dynamics

Original folded letter (typical mailing format of the time)

Large, bold “William” signature

Later-added engraved portrait of William IV (not original to the letter but often paired for display)

Authentication notes

The signature style matches known examples of William IV’s bold sweeping hand

Ink, paper aging, and fold structure are consistent with authentic period correspondence

The portrait is a 19th-century engraving, likely added later for presentation (common in collector assemblies)

Condition

Heavy fold wear and staining

Edge discoloration and spotting

Some reinforcement/repair (tape or archival strips)

Overall: fair condition