From Fallen London Wiki

If your <a href="/wiki/Taking_Sides_at_a_Brawl" title="Taking Sides at a Brawl"><img alt="" src="/w/images/thumb/7/76/Flag.png/20px-Flag.png" decoding="async" width="20" height="26" srcset="/w/images/thumb/7/76/Flag.png/30px-Flag.png 1.5x, /w/images/thumb/7/76/Flag.png/40px-Flag.png 2x" /></a> <a href="/wiki/Taking_Sides_at_a_Brawl" title="Taking Sides at a Brawl">Taking Sides at a Brawl</a> is aligned with one of the various sides, then you can <a href="/wiki/Accept_a_share_of_the_coffer_of_Admiralty_coinage" title="Accept a share of the coffer of Admiralty coinage">Accept a share of the coffer of Admiralty coinage</a> and receive <a href="/wiki/Justificande_Coin" title="Justificande Coin"><img alt="" src="/w/images/thumb/f/f0/Currency1_silver.png/20px-Currency1_silver.png" decoding="async" width="20" height="26" srcset="/w/images/thumb/f/f0/Currency1_silver.png/30px-Currency1_silver.png 1.5x, /w/images/thumb/f/f0/Currency1_silver.png/40px-Currency1_silver.png 2x" /></a> 1 x <a href="/wiki/Justificande_Coin" title="Justificande Coin">Justificande Coin</a>. But if you are fighting alone, then you can <a href="/wiki/Claim_the_coffer_of_Admiralty_coinage" title="Claim the coffer of Admiralty coinage">Claim the coffer of Admiralty coinage</a> all to yourself and receive <a href="/wiki/Justificande_Coin" title="Justificande Coin"><img alt="" src="/w/images/thumb/f/f0/Currency1_silver.png/20px-Currency1_silver.png" decoding="async" width="20" height="26" srcset="/w/images/thumb/f/f0/Currency1_silver.png/30px-Currency1_silver.png 1.5x, /w/images/thumb/f/f0/Currency1_silver.png/40px-Currency1_silver.png 2x" /></a> 2 x <a href="/wiki/Justificande_Coin" title="Justificande Coin">Justificande Coin</a>.

Note that those are both different actions than this one. The names are quite similar, but this is about claiming a share of Admiralty maps rather than coinage.