Jay Z Toasts New Stake in Ace of Spades Champagne

Jay-Z, known for his music, clothing line, and talent agency, is expanding his business ventures by investing in the Ace of Spades Champagne line, owned by Sovereign Brands. He has promoted this brand in his music and public appearances. The champagne is recognized for its distinctive pewter insignia of an ace of spades on the bottle, with prices starting at $250. The exact amount Jay-Z paid for his investment is unknown, but it is speculated to be substantial.

What is the significance of the pewter Insignia on the Champagne bottle?

What is the starting price of the Champagne mentioned in the text?