What is offered this week?
The Golden vendor is a special vendor located in one of base camps for each faction in Cyrodiil that only appears on the weekend to sell monster sets that are obtained in the various group dungeons around Tamriel

1. Necklace of the Magicka Furnace – Arcane 250,000g / 500,000AP
2. Necklace of Prayer –  Arcane 250,000g / 500,000AP
3. Necklace of Hist Sap – Arcane 150,000g / 300,000AP*
4. Beekeeper's Necklace –  Healthy 150,000g / 300,000AP*
5. Swarm Mother's Shoulders – Infused / Impenetrable (Light, Medium, Heavy) 100,000g / 200,000AP
6. Sellistrix's Shoulders – Infused / Impenetrable (Light, Medium, Heavy) 100,000g / 200,000AP

*Tradeable

Items purchased with Alliance points are impenetrable.

Full history of golden vendor items: http://benevolentbowd.ca/esotu/esotu-chronicle-of-alliance-point-vendor-items/