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|Where found||Penguin Style|
In January 2009, the Shamrocker went with the Spikester Threads.
|Catalog||Available from||Available until|
|Penguin Style||January 3, 2009||May 1, 2009|
|June 30, 2010||November 4, 2010|
|August 5, 2015||March 29, 2017|
- On the April Fool's postcard.
The Shamrocker on a player card.
- It is probably referred to as The Shamrocker because it's green and the St. Patrick's Day theme is that color.