In 2011, LEGO released 2 Harry Potter Deathly Hallows sets, all of these sets have been retired. For that year, the total price of all retail sets cost $62, today those sets are valued around $135, a growth of 118%.
Most valuable 2011 LEGO Harry Potter Deathly Hallows set
4867 Hogwarts $89.72
Highest growth 2011 Harry Potter Deathly Hallows set
4865 The Forbidden Forest +276.81%
2 sets

4865 The Forbidden Forest

Theme / Subtheme Harry Potter / Deathly Hallows
Year 2011
Pieces / Minifigs 64 / 4
Availability Retired
4865 LEGO Harry Potter Deathly Hallows The Forbidden Forest
Retail $11.99
Value $45.18
Growth  +276.8%
Annual growth 6.4%

4867 Hogwarts

Theme / Subtheme Harry Potter / Deathly Hallows
Year 2011
Pieces / Minifigs 466 / 7
Availability Retired
4867 LEGO Harry Potter Deathly Hallows Hogwarts
Retail $49.99
Value $89.72
Growth  +79.5%
Annual growth 10.5%