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Discount terms: This discount will expire 11:59 pm PST on November 27, 2023 and is valid at Yubico.com for YubiKey 5 and Security Key Series. Buy one key, get 50% off a second key of equal or lesser value. Keys procured with this redemption are Not For Resale. Redemption at Yubico.com is automatic in cart, and cannot be combined with other offers. This discount is valid for one (1) order only per customer. Standard shipping and handling rates may apply. International shipments may be subject to customs fees and duties, including those related to import and export. Not valid for customers shipping to China, Afghanistan, Russia, Ukraine, North Korea, Iran, Sudan or Syria. Yubico reserves the right to cancel and refund orders associated with this discount code. No cash or value for code or product.