Key term for OCR GCSE History B, used in Into Asia Minor December 1096 to October 1097.
A high-quality gold and silver alloy coin introduced by Alexios to stabilise the collapsing Byzantine economy.
Electrum hyperpyron appears in OCR GCSE History B revision content for The First Crusade (c.1070–1100), especially Into Asia Minor December 1096 to October 1097 and Alexios I.
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