Existing comment:
Extra clerks were brought in to help Yosemite Post Office's regular staff cancel first day covers of the 1ยข Yosemite National Parks Year Issue stamp, July 16, 1934.
First sale of the Yellowstone National Park stamp made form the Mammoth Post Office, July 30, 1934. The first sheet was sold by Postmaster General (PMG) Farley to Senator J.C. O'Mahoney of Wyoming, who presented several of the stamps to W.H. Jackson, who in turn donated the stamps to the park museum. The stamps were autographed by PMG Farley and Senator O'Mahoney. |