Various (4), Charles BLACKMAN (2) 'Titania as Bride,' lithograph (2), 3/150 & 50/150 (43x29cm); Geoffrey DYER (2), 'Black Earth Beaconfield,' collagraph A/P 10/12 (68x104cm), & 'Cockle Creek,' collagraph AP 12/12 (61x85cm) Estimate $200-400