Ioannis Ioannidis, from Greece, displays some of his pin collection on his hat while speaking with people next to the Olympic Park in London, Wednesday, July 25, 2012. Outside Westfield Mall, at the edge of the Olympic Park security zone, a dozen people set up shop Wednesday to trade and sell pins from the 2012 games and Olympics past.
One of each -- to go
There is no shortage of Olympic pins to be traded in London.
Think they'd trade?
Prince William and Duchess Kate sported pins during an appearance at the Olympic tennis tournament at Wimbledon.
Take your pick
General view of 2012 London Olympics pins at the John Lewis store at Statford City.
Here they are
Dozens of people set up shop as they chat to pin collectors next to Olympic Park.
What a sight
Detail views of Olympic pins at Olympic Park.
Pin badges are seen on the jacket of man at the London 2012 Olympic Games.
A journalist wears her Olympic pins at the 2012 Summer Olympics.
Check this out
Pin collector Linda Li of Guangzhou, China holds some of her pins outside the Olympic Village.
Where will you wear this?
Take a look at a detailed collection of Olympic pins on a scarf.
A detail shot of pins during Team USA training for athletics on Day 5 of the London 2012 Olympics.
Hats off to you!
Ioannis Ioannidis, from Greece, displays some of his pin collection on his hat while speaking with people next to the Olympic Park in London.
Share the fun
Serena Williams receives a pin from a fan after a doubles match at the All England Lawn Tennis Club in Wimbledon.
Wear it with pride
Leonard Braun, an Olympic pin trader outside Olympic Park, shows his collection prior to the opening ceremony.
Tennis players Francesca Schiavone of Italy (left) laughs with Kim Clijsters of Belgium as they exchange pins at the All England Lawn Tennis Club at Wimbledon during training at the Games.
Timothy Jamieson of the Coca-Cola showcasing team displays his pins in London.
What ya got?
Barbara Crowder (left) trades pins with Los Angeles native Leonard Braun, who has been trading pins for 25 years and has attended 11 Olympics.
Australian pin collector David Blair wears his pins in style as he prepares for the Olympics.
A trader displays his pins ahead of the London 2012 Olympics.
London 2012 pin badges go on display at the launch of the London Olympic Games official merchandise.
What is that?
Pin collectors chat next to Olympic Park in London. Some pin traders erected small displays covered in velvet to showcase their wares.