Antique Sepia-Tone Postcard. Identified as Robert Louis Stevenson. Published by Valentine's in Great Britain. Card #87634. Divided back, unused. Condition: This is an original antique postcard, not a copy or reproduction. It is in excellent condition. Comments: Robert Louis Stevenson was a Scottish novelist, poet and travel writer, most noted for writing Treasure Island, Strange Case of Dr Jekyll and Mr Hyde, Kidnapped, and A Child's Garden of Verses.