Highway Post Office Covers

Cover
Postmark
Route Map
SSCat Num	C279-1-F
New Num	C279
Route Num	225
Route Name	Mackinaw City and Detroit
Trip Number	1
Trip Type	First
Date	1959-09-12
City1	Mackinaw City
State1	MI
City2	Detroit
State2	MI
Notes	Inaugural run
Value	$1.00
Mileage	299
Qty	820