Canada Post FYI

12.1.2 Exclusions and Restrictions on Certain Items
Notwithstanding anything to the contrary and regardless of whether other Items were
included in the shipment:
(a) Canada Post shall have no liability for loss or damage of shipments containing bank
notes, stocks, bonds, negotiable premium coupons, or other securities negotiable by
the bearer, coupons (excluding gift certificates), lottery tickets, trading stamps,
travellers’ cheques, or any unacceptable item (including non mailable items such as but
not limited to dangerous goods, or improperly packaged items) as defined in the
Canada Postal Guide.
(b) The maximum amount payable by Canada Post is:
(i) $500 for shipments containing coins, jewellery, manufactured and nonmanufactured
precious stones and metals, cancelled or uncancelled postage
stamps, and
(ii) $100 for shipments containing gift certificates or phone cards.
(c) Shipments containing glass or ceramic items, items of a perishable nature, or items
requiring temperature controls are subject to coverage for loss but not for damage.

MORE AT THIS LINK:
http://www.canadapost.ca/tools/pg/terms/pdf/Final%202007%20STC-e.pdf