The Voynich Ninja

I don't remember if this painting was discussed before, but I think it may be relevant (Pierre mentioned the painter in the swallowtail thread). It shows a ciborium (in the architectural sense) with six pillars that support the throne of God, i.e. the highest of the heavens. 

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Also various tiers, twelve apostles around. Middle rosette vibes.

The painting's wikipedia page shows a similar composition by Michele Giambono with five towers.
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Interesting! That's actually four towers, the red one is one of the "Arma Christi", with the rooster on top. This separate pillar is also present in the painting I linked, but there it's less visible and green.