How can I provide proof package was seized if I received a call instead of letter?

My packages were seized and I'm trying to get at least a partial refund but since USPS called to inform that it had seized I never received a letter. What proof can I provide?

Edit: For context I made this post when it happened https://reddit.com/r/AlphaBayMarket/comments/5b9zjq/does_usps_call_your_house_if_they_seize_a_package/


Comments


[1 Points] None:

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[1 Points] someguynotsome:

Tracking?


[1 Points] Medacali:

belize