them, and may not be traded with cast members. Piece of History (POH) – A Piece of History pin from the 2005 set is considered to be one of the rarest series in Disney Pin Trading. Each pin contains a minuscule piece of a prop from a WDW attraction. The first pin in the series, the 20,000 Leagues Under the Sea pin with a sliver of a porthole, has sold for over $275 on eBay. The success of the series has led to a 2006 and 2008 set and a 2009 and 2010 set for Disneyland Resort. Pin Traders Delight (PTD) - The Pin Trader Delight is an ice cream sundae that comes with a limited edition pin as a gift with purchase. This sundae is only available at the Ghirardelli Studio Store located in Hollywood, California. Each pin depicts the featured character eating an ice cream sundae and is highly sought after as typically they have an edition size between 300 and 750. Sundaes are limited to 2 per person provided that the gift pins for each sundae are not the same. Pin Trading Night (PTN) – Pin Trading Nights are monthly meetings of Disney Pin Traders at DLR, WDW, or Disneyland Paris resorts. The Pin Trading Team provides pin games and gives traders the opportunity to trade and socialize. Often, an LE pin is released to commemorate the occasion. Pin With Purchase/Purchase With Purchase (PWP) - Similar to GWP. except that the pin is not a "gift" but must be purchased. Typically for pins the pin price is $3.95 and a $30 purchase is required to qualify. At one time Cast Members occasionally allowed guests to combine multiple receipts (including those from Disney-owned restaurants at the resort) to reach the $30 requirement but as of 2016 this is no longer permitted; the pin must be purchased at the same time as the qualifying transaction. Rack Pins – Rack pins, also called Open Edition (OE) or core pins, are pins introduced and sold until they are discontinued or retired. These pins are re-ordered for up to several consecutive years. The starting retail price for these pins is typically $6.95 (for a flat pin). Depending upon the number of features on the pin (such as pin-on-pin), the retail price will increase to either $8.95 or $10.95. Some OE pins have a high secondary value, such as the Soda Pop Series