Mac's Coins & Collectables (94086 Sunnyvale): Macs Coins is a coin store in Sunnyvale, California, USA. Serving the bay area numismatic needs since 30 years. Vast experience in Gold, Silver investment, knowledge in Numismatic coins makes this store a unique store in entire San francisco bay area. We Buy gold coins, bars and jewelry and Sell gold, silver, precious metals and numismatic coins. check out our specials. We accept BitCoins as a payment option now.