Corinphila Auction 291-297 Day 2

Diadem Issue 1856: Perkins Bacon Trial Proof, an imperforate block of six (2 x 3) for the small Diadem issue with POSTAGE and Duty Plate blank and waxed void lower left corners, printed in bright blue on unwatermarked thick toned gummed wove paper with 'No. 4' in manuscript in top margin. Fresh and very fine, most attractive and rare.rnProvenance: Collection G.J. Hutson, Spink, London, 19 Feb 2013, lot 256.