Taken in 1951 during an expedition to the Himalayas, the photographs show suspiciously large footprints in the snow.
Sports trading cards are a sub-category of trading card collectibles which feature sporting heroes, teams or related themes.
The hobby gained popularity throughout the 20th century, and continues to evolve to match and reflect changing sports and sports celebrities.
As the hobby has evolved, so too have measures to ensure that collectors can discern quality collectibles from fakes.
Organisations dedicated to this cause include PSA/DNA (Professional Sports Authenticator) among others.
Most valuable cards
Notable cards, in terms of value and historical significance, include:
Most valuable trading card
Gretzky T206 Honus Wagner Baseball Card was sold in February 2007 for $2,350,000 – a record for a trading card.
Main article: List of notable trading cards
Related WikiCollecting articles
Types of collectible card:
Other helpful lists:
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