card-table.tex

\documentclass{article}

\usepackage{graphicx}
\usepackage{array}
\usepackage[margin=.05in,papersize={2.75in,1.1in}]{geometry}
\begin{document}


\renewcommand\arraystretch{0}
\renewcommand\tabcolsep{0pt}

% http://stackoverflow.com/questions/1357798/how-to-center-cell-contents-of-a-latex-table-whose-columns-have-fixed-widths
\begin{table}
\begin{tabular}{p{1in} | >{\centering\arraybackslash}m{1.65in} |}
\hline%        qr & unique key \\  \\ ff \\
\includegraphics[width=1in,height=1in]{600px-QR_code_Wikimedia_Commons_(URL).png} 
& unique key a 
\\ \hline
\end{tabular}
\end{table}


\end{document}