Duplex mailing envelope

A duplex mailing envelope comprising:

• (a) substantially rectangular front and back panels interconnected along side and bottom edges thereof and forming a first pocket having an opening and adapted for receiving a first enclosure therein, means in said first pocket forming a second pocket having an opening coincident with said first pocket opening;
• (b) a closure flap having an inner edge and an outer edge;
• said inner edge having connection with the remaining back panel edge along a fold line,
• (c) a perforated line extending from said closure flap inner edge to said closure flap outer edge, said perforation line laterally dividing said closure flap into two mutually separable portions, one of said separable portions being positioned to provide access into said second pocket without entirely opening said first pocket;
• (d) said closure flap portions each having adhesive means thereon for sealing contact with said front panel, only one of said closure flap portions having a release strip covering the adhesive thereon.

In combination, an envelope having a plurality of pockets and a window opening into one of said pockets, an address card with indicia thereon adapted for hand insertion into said one pocket:

• (a) said envelope having substantially retangular front and back panels interconnected along right and left side edges and along bottom edges thereof forming a first of said plurality of pockets adapted for receiving a machine inserted enclosure therein;
• (b) A closure flap having an inner edge and an outer edge;
• said inner edge having connection with the remaining back panel edge along a fold line;
• (c) a perforated line extending from said flap inner edge to said flap outer edge;
• said perforated line laterally dividing said closure flap into two mutually separable portions;
• (d) said closure flap portions each having adhesive means thereon for sealing contact with said front panel;
• only one of said closure flap portions having a release strip covering the adhesive thereon
• (e) said front panel having an interior surface;
• (f) an interior flap having first, second, thrid and fourth edges, said first edge being adhesively connected with said interior surface;
• said first edge being parallel with said front panel right and left side edges;
• the remaining interior flap edges being free and forming a second pocket between said front panel and said interior flap, said second pocket being laterally bounded by said front and back panel left side edges and by said first edge;
• (g) said first edge being in substantial alignment with said perforated line;
• and
• (h) said second pocket having said address card removably, hand inserted and retained therein, whereby said address card indicia is retained in substantial registry within said window opening.