Watch List notes:

London, Holborn Building Series P Skidmore Halfpenny 1790s, Side view of St. Mary's Aldermanbury, rev. three?line legend in ring, (DH 539). Another but Front view of St. Martin's Ludgate, rev. PSCo cypher, (DH 612), both good Extremely Fine, first toned with iridescent toning, second with full mint lustre, superb. Both Scarce. [2]

Second ex Richard Dalton Col.; ex Thomas Bliss Col; ex AHB their ticket; ex S Schwer 1986.