|Some things I find interesting.|
|Hope you also do....|
US Postal History
A purple B stamp with a purple cancel. WOW... it's purple heaven :)
The 18¢ rate period was a short one, beginning March 22, 1981 and ending a short seven months later October 31st.
The purple machine cancel is an EKU "ALWAYS USE
ZIP CODE" from Seattle Washington on May 11, 1981.