Question. Really two(2) vails? Seems so from Hebrews 9:2 "For there was a tabernacle made; the first, wherein was the candlestick, and the table, and the shewbread; which is called the sanctuary.
9:3 And after the second veil, the tabernacle which is called the Holiest of all;
9:4 Which had the golden censer, and the ark of the covenant overlaid round about with gold, wherein was the golden pot that had manna, and Aaron's rod that budded, and the tables of the covenant;
Also, Temple of Cyrus, Ezra 1, rather than Herod, doncha think?
Dux allows: "It is the glory of God to conceal a thing: but the honour of kings is to search out the matter". Pr25:2