To follow up on postal service insurance. As feline fanatic stated, you will only be reimbursed for items you have receipts for. Make sure you take a photo.
Your labor is specifically excluded per the following documentation.
http://pe.usps.com/archive/pdf/dmmar...080512/609.pdf
609 Filing Indemnity Claims for Loss or Damage
4.3 Nonpayable Claims
ag. Personal time used to make hobby, craft, or similar handmade items
Often the clerk will take your money for insurance over and above what you can actually claim.
I would also mail or ship it as soon as possible to avoid the Christmas rush.