This is part of the second set of 4 Jumbo Pop Princess pins that was released during the Treasured Classics event in Anaheim hosted by PinPics/Pinopolis. This listing is for Rapunzel from Tangled. 
 
These pins are based on artwork from Jenny Chung. Back is stamped with Pinopolis game numbers and "OFFICIALLY LICENSED PIN FROM ACME ARCHIVES LTD. C DISNEY ALL RIGHTS RESERVED LIMITED EDITION 300" with an ACME bars pattern stamp repeating. (Pinopolis game numbers may vary from photo).
 
Size is approximately 3 1/2" tall by 2 1/4" wide.