\documentclass{article}
\pagenumbering{gobble}
\usepackage[a4paper,left=5mm,right=5mm,top=10mm,bottom=7mm]{geometry}  
\usepackage{tikz}
\usepackage{pagecolor}
\definecolor{background}{HTML}{FFFFFF}
\definecolor{dots}{HTML}{888888}
\definecolor{linecol}{HTML}{202020}
\pagecolor{background}
\usepackage{eso-pic}
\usetikzlibrary{shapes,calc,positioning,arrows}
\begin{document}
\begin{tikzpicture}[scale=0.5]
    \foreach \x in {0,...,38}
    \foreach \y in {1,...,56}
    {
		\fill[dots] (\x,\y) circle (0.4mm);
    }       
  \end{tikzpicture}

%\AddToShipoutPictureFG*{%
%\AtPageLowerLeft{%
%\hspace*{10mm}%
%\rule{1pt}{\paperheight}%
%}%
%\AtPageLowerLeft{%
%\hspace*{200mm}%
%\rule{1pt}{\paperheight}%
%}%
%}

\begin{tikzpicture}[remember picture,overlay]
	\draw[linecol,dash pattern=on 10pt off 0pt,line width=0.5pt]($(current page.north west)+(0.5cm,-1cm)$)--($(current page.south west)+(0.5cm,5.25mm)$);
	\draw[linecol,dash pattern=on 10pt off 0pt,line width=0.5pt]($(current page.north east)+(-0.5cm,-1cm)$)--($(current page.south east)+(-0.5cm,5.25mm)$);
	\draw[line width=2pt,linecol,,dash pattern=on 10pt off 0pt]($(current page.north west)+(0.5cm,-10.25mm)$)--($(current page.north east)+(-0.5cm,-10.25mm)$);
	\draw[line width=0.5pt,linecol,,dash pattern=on 10pt off 0pt]($(current page.south west)+(0.5cm,+5.25mm)$)--($(current page.south east)+(-0.5cm,+5.25mm)$);
\end{tikzpicture}
\end{document}
