If I were you, I'd try to ask someone at Canary or another swag producer to see if they can find a source for them as part of a larger order. Or see if there's

If I were you, I'd try to ask someone at Canary or another swag producer to see if they can find a source for them as part of a larger order. Or see if there's a swag coordinator at the company where you work who has a relationship with a supplier who can get them from all the manufacturers. You can usually get a really wide range of obscure makes and models that way.