Two-way postal card and envelope

Claim 1

In combination, the construction of a two-way postal message card and envelope wherein the envelope is constructed from a flat sheet of paper or the like wherein said sheet is folded or creased along a centrally located line so as to form upper and lower areas which are substantially rectangular in shape and substantially equal in length and width, said areas being appoximately the size of a common postal card, at least one of said areas including cut-outs which form a mailing address window and a return address window which are generally horizontally aligned with one another, said message card being constructed from a flat sheet of paper or the like having a length which is approximately twice the length of each of said areas and a width which is appoximately the same as the width of each of said areas, said message card being divided into approximately equal FIRST and SECOND PORTIONS by means of a first substantially vertical fold line, said message card further including FIRST and SECOND SURFACES on opposite sides thereof, SAID FIRST PORTION including an initial mailing address and an initial return address generally horizontally aligned and positioned ON SAID FIRST SURFACE so as to be aligned with said mailing and return address windows in said envelope when said message card is folded about said vertical fold line and inserted into said envelope, said first portion including a second approximately vertical fold line located between said initial and return addresses and dividing said first portion into substantially equal left and right parts, said initial mailing address being located in said right part and said initial return address being located in said left part, said left part including a third substantially vertical fold line dividing it substantially in half, said second portion including a remailing address on the second surface thereof, said remailing address being located in aligned, underlying relationship with said initial mailing address when said message card is folded in half and the second surface of said first portion is in substantially complete contacting relationship with the second surface of said second portion, said first portion being additionally foldable about said second and third substantially vertical fold lines so as to cover up said initial return address with said initial mailing address and expose said remailing address, said initial mailing address and said remailing address being in substantially horizontal alignment.