Opening up imperial lead sealings - S. S. FRERE, “Lead Sealings” in R. G. COLLINGWOOD AND R. P. WRIGHT, THE ROMAN INSCRIPTIONS OF BRITAIN II, INSTRUMENTUM DOMESTICUM fasc. 1 (Alan Sutton, Gloucester1990), pp. 87–124, numerous figs. and pls. 6-8. £35. - ROBERT TURCAN, “Sceaux” in his NIGRA MONETA (Collection du Centre d'Etudes Romaines et Gallo-Romaines, N.S. no.6, Lyon1987), pp. 13–49, pls. 1-9. - ENDRE TOTH, “Bleibullen im Ungarischen National Museum” in M. HAINZMANN & Z. VISY, INSTRUMENTA INSC