https://www.yubico.com/product/yubikey-5-nfc/
YubiKey 5 NFC Two Factor Security Authenticator Key (USB-A) on sale for $50 - $15 (30%) off Discount Black Friday Sale - $5 off when you apply promo code 8SM23312861 on the checkout page = $30. Shipping is $4.
https://www.yubico.com/product/yubikey-5c-nfc/
Yubico has YubiKey 5C NFC Two Factor Security Authenticator Key (USB-C) on sale for $55 - $16.50 (30%) off Discount Black Friday Sale - $5 off when you apply promo code 8SM23312861 on the checkout page = $33.50. Shipping is $4
The 30% automatic discount is valid for up to 4 keys. The $5 promo code 8SM23312861 can only be applied once.
YubiKey 5 NFC Two Factor Security Authenticator Key (USB-A) on sale for $50 - $15 (30%) off Discount Black Friday Sale - $5 off when you apply promo code 8SM23312861 on the checkout page = $30. Shipping is $4.
https://www.yubico.com/product/yubikey-5c-nfc/
Yubico has YubiKey 5C NFC Two Factor Security Authenticator Key (USB-C) on sale for $55 - $16.50 (30%) off Discount Black Friday Sale - $5 off when you apply promo code 8SM23312861 on the checkout page = $33.50. Shipping is $4
The 30% automatic discount is valid for up to 4 keys. The $5 promo code 8SM23312861 can only be applied once.