| 摘要 |
A pressure-seal or pressure-activated sealing means for a mailing form constructed of a single ply of substantially opaque or printable substrate material which is configured such that it can be folded to form a financial document, for example, an accounts payable or payroll check and check voucher, and wherein the ply is further folded to form an outgoing mailer envelope in which the financial document is enclosed for mailing to a recipient. The mailing form can also include a substantially transparent single ply of substrate material for providing a window area for viewing or scanning therethrough.
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