This is a repro from the boxed set of cards that came with the Burkhart History of the Land Yacht book.
The set, and individual cards, show up on bay from time to time.
I scan cards at 1200dpi so if you are looking for a high res copy shoot me a PM.
AirForums # 2806
WBCCI / VAC # 6411
Not All Who Wander Are Lost.