Title: 1827-03-09 MICHIGAN TERRITORIAL EXHIBIT---1827-03-09 PONTIAC M T--AHMS 18/22--FIRST POST OFFICE AND COUNTY SEAT IN OAKLAND COUNTY--POSTMASTER OLMSTEAD CHAMBERLAIN--ROUTE-PONTIAC-ROYAL OAK-DETROIT-MONROE-MAUMEE-NORWALK-CLEVELAND-NEW YORK---BOTTOM--1835-04-01 PONTIAC M T--CDS FIRST APPEARED IN APRIL 1833---COURTESY OF A MICHIGAN COLLECTOR--PRIVATELY OWNED Item ID: E0-17478 View Map