SINCONA Auction 75: SINCONA British Collection Part 2

SINCONA Auction 67: Persian Coins and Medals, World Orders and Decorations

SINCONA Auction 61: The Stephen H. Corn Collection of Swiss Shooting Thalers and Medals

SINCONA Auction 41: Ancient Coins

SINCONA Auction 37: The Placidia Collection - Coins of Eastern Rome and Byzantine Empire

SINCONA Auction 63: Gold and Silver Coins and Medals

SINCONA Auction 55: US Rarities

SINCONA Auction 79: SINCONA British Collection Part 3

SINCONA Auction 78: Russian Coins and Medals / The Grigoriy Stakhorsky Collection, Part 1, and other Properties

SINCONA Auction 82: SINCONA British Collection - Part 4

SINCONA Auction 84: Russian Coins and Medals

SINCONA Auction 85: The Kian Collection - Part 1

SINCONA Auction 86: SINCONA British Collection - Part 5

SINCONA Auction 88: The Kian Collection - Part 2

SINCONA Auction 49: The Kian Collection (Machine Struck Coins and Medals of the Qajar and Pahlavi Dynasties