\documentclass[border=10]{standalone}
%\documentclass{article}

\usepackage{tikz}
\usetikzlibrary{decorations.text}
\usepackage{anyfontsize}
\usepackage{xcolor}
\usepackage{graphicx}



\definecolor{epsilon-purple}{rgb}{0.19,0.086,0.388}
%neonvihreä
\definecolor{vlehti}{rgb}{0.5,1,0.3}
\definecolor{vreuna}{rgb}{0.2,0.8,0.1}
\definecolor{vteksti}{rgb}{0.2,0.8,0.1}

%vihreä
\definecolor{vlehti}{rgb}{0,1,0}
\definecolor{vreuna}{rgb}{0,0.7,0}
\definecolor{vteksti}{rgb}{0,1,0}

%kulta
\definecolor{vlehti}{rgb}{0.917647, 0.741176, 0}
\definecolor{vreuna}{rgb}{0.817647, 0.641176, 0}
\definecolor{vteksti}{rgb}{0.817647, 0.641176, 0}

\newcommand{\e}{{\color{vreuna}\fontfamily{lmr}\selectfont \rotatebox[origin=c]{270}{$\varepsilon$}}}
\newcommand{\s}{{\color{blue}\fontfamily{lmr}\selectfont \rotatebox[origin=c]{270}{$\varepsilon$}}}
\newcommand{\q}{{\color{red}\fontfamily{lmr}\selectfont \rotatebox[origin=c]{270}{$\varepsilon$}}}

\begin{document}

\begin{tikzpicture}

\draw (0,0) node[]{\includegraphics[width=10cm]{ery.pdf}};


\path
    [
        postaction={
            decorate,
            decoration={
                raise=-3pt,
                text along path,
                text align/fit to path stretching spaces=true,
                reverse path=true,
                text align/align=center,
                text align/left indent={-1.0cm}, % \pi * radius
                text align/right indent={0.0cm},
                text={|\bfseries \fontsize{21.3} {0}\selectfont {} | \q\e\e\e\e\e\e\e\e\s
                \q\e\e\e\e\e\e\e\e\s
                \q\e\e\e\e\e\e\e\e\s
                \q\e\e\e\e\e\e\e\e\s
                \q\e\e\e\e\e\e\e\e\s
                }
            }
        }
    ]
(0.15,0) circle (4.8cm);

\end{tikzpicture}


\end{document}