USPS usually just tracks when the package arrives at the destination post office with no info prior to that, https://tools.usps.com/go/TrackConfirmAction_input
Thats not true. They can give very exact information. It says for example picked up, entered sort facility, left country x, arrived abroad, entered customs, left customs and so far. But it depends. For most shippments it works well but i also had shippments no info untill the packet arrived.
. He was very kind an returned the coins fast. It's people like this you want to do business with !