Bulk Mail
Of mail.
Mail consisting of large numbers of identical items (circulars or advertisements) sent to individual addresses at less than 1st-class rates and paid for in one lot.
This concept's ID is @1~33591
Of mail.
Mail consisting of large numbers of identical items (circulars or advertisements) sent to individual addresses at less than 1st-class rates and paid for in one lot.
This concept's ID is @1~33591