The cost of mailing a standard letter within the United States during 2018 is a specific data point with relevance for philatelists, historians, economists, and anyone interested in tracking postal rate changes.... Read more »
The cost of mailing a standard letter within the United States during 2018 provides a specific data point for analyzing postal rate trends. For example, understanding this cost allows for comparisons with... Read more »
The cost of mailing a postcard within the United States during the year 2018 represents a specific data point in the historical record of postal rates. Understanding this cost can be helpful... Read more »