1000 pieces, Frozen 2 by Clementoni. This was SO HARD. Took me about 2 weeks. : r/Jigsawpuzzles
Amazon.com: Clementoni "Frozen" Puzzle (1000 Piece) : Toys & Games
Ravensburger Disney Frozen 1000 Piece Jigsaw Puzzle for Adults - 16488 - Every Piece is Unique, Softclick Technology Means Pieces Fit Together Perfectly : Toys & Games