<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
  <rect width="64" height="64" rx="8" fill="#2d3e2a"/>
  <text x="32" y="42" font-family="Georgia, serif" font-size="32" font-weight="600" text-anchor="middle" fill="#f5f1e8">B</text>
  <text x="44" y="42" font-family="Georgia, serif" font-size="20" font-style="italic" text-anchor="start" fill="#b04a2a">&amp;</text>
</svg>
