Scotts Price Guide Question

Quote:
The Special Printings were also not that easy to acquire, as they were only available from the office of the 3rd Assistant Postmaster General in Washington, DC, either in person or by return mail for which return postage and registration fees were required, so your ungummed "special printing" cost face value plus 16 cents. (A letter requesting Special Printing plus return postage and the then current registration fees of 10 cents} Another reason for their less than spectacular sales figures.