I have the same story as this, but I do have time logs in google docs like:
an NDA signed by me (don't have a copy signed by the other party, though) + email correspondence.
We had the project back in 2013, so it's 2.5 years. The customer is of Finnish origin, but resides in Canada. At least the NDA had been signed between us and a Canadian entity from Vancouver, BC. Two unpaid paypal invoices for $2775 + $2499. Is there any chances/ways to get it? What are they? I'm willing to sell it to collections or anyone else with a significant discount, but would anyone be interested or there is no chances at all after 2.5 yrs?