Puzzling through the Ministry of Lost Things - Case 1: Lint Condition

About Ministry of Lost Things: Case 1 – Lint Condition, from BoardGameGeek:

Embark on a journey through the Elusiverse, a realm of forgotten treasures and misplaced memories. As a scout for the Ministry of Lost Things, your mission is to find and return an item mistakenly taken from your world. To do so, you'll need to uncover details about the item and its owner, navigating the landscape of a place where lost items weave a grand tapestry of stories. Lint Condition is the first case in the Ministry of Lost Things series. It contains four envelopes which need to be solved in sequence, each revealing more about the lost item and its companion as you solve the puzzles. At the end of each envelope, verify your solutions online in the M.O.L.T website portal to progress to the next step. -description from the publisher