Obtained by Other Means
Adventuring Contract

This item is was made for the movie "The Hobbit: An Unexpected Journey."
Obtained by: Click on the link given by NPC Brennivin
here
Information:
1
Binder Full of Diedrichs

This item is was made for the 2012 American Presidential Elections.
Obtained by: Voting in
this debate between Diedrich and Fredrick.
Information:
1
Retired
Burnt Bread

This item is a tribute to the popular book series
The Hunger Games, written by Suzanne Collins. It's symbolic of one of the main characters, Peeta Mellark.
Obtained by: Posting certain key words in
The Hunger Games hot topic, such as "hungry" and "bread" when nearing the release of the
The Hungers Games movie.
Information:
1, 2, 3
Retired
Gregory the Leap Frog

This item is a tribute to the leap year, where there's 1 extra day in the year, February 29th. This one is for 2012.
Obtained by: Granted by a link (link needed) in the Leap Year hot topic
Information:
1
Retired
The Halfling

This item is a tribute to Hobbit Day, which falls on September 22nd and celebrates the birthdays of Bilbo and Frodo Baggins, fictional characters form The Lord of the Rings series.
Obtained by: Finding a Hobbit on the world map. A dev alert was announced, titled "Halfling Day."
Information:
1
Retired
Jubilant Diamond Crown

This item was given as a grant in celebration of Queen Elizabeth II's 60th year on the throne. The celebration was deemed the "Diamond Jubilee."
Obtained by: Posting the key words "Long live the queen" in the Diamond Jubilee hot topic.
Information:
1, 2
Retired
Jumper Collection

This item is a tribute to the BBC hit show
Sherlock.
Obtained by: Secret grant on the artist
reapersun's profile.
Information:
1
King of the Pirates

This item was created to celebrate Talk Like a Pirate Day! This one was for September 19th, 2012.
Obtained by: Posting certain piratey key words such as "aye," "rum," and "wench" to accumulate points on Talk Like a Pirate Day.
Information:
1
Retired
Leap Year Frog

This item is a tribute to the leap year, where there's 1 extra day in the year, February 29th. This one is for 2008.
Obtained by: Granted by a link (link needed)
Information:
1
Retired
Moonlight Guardian

This item is to celebrate
Sailor Moon's, a popular Japanese anime and manga, twentieth birthday.
Obtained by: Wearing any "Serafuku" item on
Sailor Moon's twentieth birthday.
Information:
1
Retired
Noble Nuptial Tea

This item was given as a grant in celebration of the Royal Wedding in 2011, wedding Prince William and Catherine Middleton.
Obtained by: Grant on
this thread.
Information:
1, 2
Retired
Pirate Prattle

This item was created to celebrate Talk Like a Pirate Day! This one was for September 19th, 2012.
Obtained by: Awarded for wearing an eye patch item on Talk Like a Pirate Day 2012.
Information:
1
Retired
Pizza Pi

This item is a play on words made for Pi Day on March 14th, signifying 3.14.
Obtained by: Posting "3.1415926" on the Pi Day hot topic.
Information:
1
Retired
Risky Angels

This item is a tribute to the anime
Panty & Stocking with Garterbelt.
Obtained by: A two week Diedrich-run art event where you
had to draw fanart for Digiorno Lee. Random submissions were granted the item. There's also an Alchemy Recipe for this item. [NPC] Diedrich was also granting the item to random chatters in the GCD who wore underwear and stockings.
Information:
1
Semi-Retired
Seven Years Bad Luck

This item is for Friday the 13th. April 13th, 2012, to be exact.
Obtained by: Hidden grant on
[NPC] Friday XII's profile.
Information:
1
Retired
Tourist Hat

Another BBC Sherlock tribute done by Reapersun, this item is in commemoration of February 21st, 2013 (or 2/21/13), a date that resembles the address 221B Baker Street, the address of Sherlock in the original stories and in the BBC adaptation. The hat is the same hat the character Jim Moriarty is wearing in the episode "A Scandal in Belgravia."
Obtained by: Hidden grant
here. A whole site-wide event was held on 2/21/13 by Reapersun. The event was announced by Dev Alert and involved a site wide item sleuthing puzzle.
Information:
1, 2, 3