Sir Arthur Conan Doyle Signed Autograph Postcard 1906 Sherlock Holmes Undershaw For Sale

Rare 1906 Sir Arthur Conan Doyle Hand-Signed Postcard ("ACD") – Sent from Undershaw EstateUp for sale is a magnificent piece of literary history: an original antique postcard entirely hand-addressed and signed by Sir Arthur Conan Doyle, the legendary creator of Sherlock Holmes.This card was mailed from Doyle’s famous Undershaw estate in Hindhead, Haslemere—the historic home where he wrote The Hound of the Baskervilles and resurrected Sherlock Holmes.Key Features & Details:

• The Autograph: The reverse side features Doyle’s hand-written word "Certainly" written directly above his classic, highly sought-after initials signature, "ACD."
• The Address: Hand-addressed by Doyle on the front to Paul M. Pearson, Esq., the notable American professor, editor of The Speaker quarterly magazine, and future Governor of the U.S. Virgin Islands. It is addressed to the magazine's offices at 29 S. Seventh St., Philadelphia, U.S.A.
• Postal History: Features two original King Edward VII green half-penny stamps. Both stamps bear crisp, clean circular date stamps from the Haslemere post office, dated December 15, 1906 (DE 15 06) at 10:00 AM.
• Stationery: Printed on Doyle's custom, official cream-colored house stationery featuring his printed address layout ("From Sir A. CONAN DOYLE, Undershaw, Hindhead, Haslemere").
• Dimensions: Measures approximately 4.5" x 3.5".

Condition Report:
This 120-year-old postcard is in excellent antique condition. The handwriting and signatures are sharp and unfaded. There is a small, faint indentation and light historic rust-toned discoloration in the upper left corner (visible on the reverse telegram side), consistent with an old staple or paperclip impression from being kept in a file or archive. The paper shows beautiful, uniform light age-toning and very minor corner wear appropriate for its age. No major creases or tears. Stamps and postmarks are exceptionally clean. Please study the high-resolution images provided to evaluate the condition yourself.Shipping & Handling:
The item will be securely packaged in a rigid protective sleeve and shipped with full tracking, insurance, and signature confirmation to ensure safe delivery. International shipping is available via 's International Shipping Program.