Context of this word
What does the word substance mean in this context: It proclaimed its value by SUBSTANCE.

Question

Answer

There is not really enough context to give the whole meaning.

However, the word in this context means something between 'it's presence / it's real-ness / it's abilitiy to held or felt, or it's lack of ephemeral nature or insubstantiality

I would guess the whole meaning as:
This thing is valuable because it feels solid, not cheap etc

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