"A single white sweatshirt, with an angel and "peace" on its front, went alongside several items to an Oklahoma Goodwill — but it should not have.

The quest to find it starts 2,000 kilometres away, where a Toronto woman is calling nearly a dozen stores to find the keepsake.

Alison Williams is leading the hunt. Last year, Jennifer Hovis, her best friend of 20 years lost her mother unexpectedly. That white sweatshirt belonged to her.

"Her mother's clothes were taken to Goodwill and there was one sweatshirt that shouldn't have gone but did go," Williams told CBC News.

Hovis's father returned to the drop-off location to retrieve the sweatshirt but the clothes were taken for sorting.

"She's been really upset about it. It reminds her of her mum."