US Postal Insurance
1978 Booklet Issue
QI2 - Second Printing Issue, White Back Cover
XF Centered Pane
Under Longwave UV: Brown Covers & Record,
with Hi-Brite Pane
Issued to pay for insurance on parcels for loss or damage.
Stamp comes in a booklet of one, along with instructions on use
and receipt form in case of claim. Booklets were sold by vending machine.
