Copyright, Fata Morgana 1983.
The Hat is here the Caput Mortuum, still containing some black seed (it is grey and having a black ribbon).
10 seems to be the nomber of washing or imbibtions by the mercurial water (drops or Azoth), and Fire is also used (Ignis), in order to make a solve and coagula.
On the right we have a "key", the Caput in linked to Niter.
Under the Cap/ut, (Kaput in german mean dead, caput = head in latin), a black moon, saying that here the salt principle is impure. The fish/remora should be able to bear the Fire of the Salamander (see Cyrano of Bergerac, the Salamander is always defeated.