Watch List notes:

ITALY. Mantova. Vincenzo II Gonzaga, 1626-1627. 2 Doppie 1627, Mantova. Obv. VINCEN II D G DVX MANT VII. Bust at left. Rv. ET MONTIS FERRATI V ET C. Coats of arms. MIR 620; Fr. 527. AU. 13.07 g. XF-AU

Second example known.