TY - `BOOK` AU - Christie's (New York, NY) TI - Masterpieces in miniature : ancient engraved gems formerly in the G. Sangiorgi Collection : auction, 29 April 2019 PB - Christie's CY - New York, NY PY - 2019 LA - eng SE - 75 Seiten T2 - Christie's New York M1 - 29 April 2019 N1 - Auction code and number: Sangiorgi-17695 KW - Antike / Gemme CN - 2019 C 1393 AN - UBHD-68383436 ER -