One question is when silver zakat begins: its first threshold is 200 dirhams.
A different question is how the excess above 200 is assessed: Abu Hanifa uses completed forty-dirham steps, while the two companions use proportional calculation.
Confusing these questions incorrectly treats the 40-dirham additional step as though it were the original silver nisab.
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Zakat on Silver: Nisab, Incremental Dues and Alloyed Dirhams
One question is when silver zakat begins: its first threshold is 200 dirhams.
A different question is how the excess above 200 is assessed: Abu Hanifa uses completed forty-dirham steps, while the two companions use proportional calculation.
Confusing these questions incorrectly treats the 40-dirham additional step as though it were the original silver nisab.