1840 1d Mulready lettersheet, Forme 6 Stereo A230. A superb example sent from New Buckenham to London bearing an additional four margin 1d Black Pl.4 each beautifully cancelled by a crisp red MC, with a "New Buckenham/Penny Post" handstamp at lower right. Backstamped at Attleborough and London for JU.15-16.1840. A beautiful example of an uprated Mulready, rarely seen in this quality. 1998 RPS Cert.: Estimate £3500-£4000 (Image)

1840 1d Mulready Lettersheet (Forme 6, Stereo A238). Very fine used example sent from Mayfield to Skippers Hill cancelled solely and contrary to regulations by a black Mayfield/Penny Post handstamp with no other postal markings on reverse. The parent office to Mayfield where a Maltese cross would have been applied is Uckfield, however Skippers Hill lies between the two towns and the cover would have been delivered en route, bypassing the parent office. Very rare. Ex. "Mayflower" 2010 BPA Cert.: Estimate £2500-£2800 (Image)

1840 1d Mulready lettersheet Forme 5 Stereo A246. Very fine used example with Atlas Assurance Company advertisement, neatly cancelled by a crisp black MC in the top right corner, clear of Britannia and contrary to regulations. Used locally within London and backstamped accordingly for NO.25.1840. Spec MA103h. Most attractive.: Estimate £200-£300 (Image)

1840 1d black Mulready Envelope. Unused with clear breaks in the design due to pre-printing wrinkles in the paper. Lovely example of the printing problems experienced in the first Mulready printings. SG ME2, £350+ *Please Note: This lot is subject to an additional 5% on the hammer price if bought by a UK resident and retained in the UK: Estimate £300-£400 (Image)

1840 1d Mulready Lettersheet (Forme 1 Stereo A11) addressed to Dublin, centrally cancelled with red MC, with sr cds "MY-31/1840" on reverse, indistinct diamond arrival in red. Some soiling and opening faults. A second similar lettersheet with MC alongside "CASTLEPOLLARD /JU27/1843" cds, both in black, diamond Dublin arrival in red "JU28/43". Some soiling, surface scrapes and opening faults. (2) SG ME1 £2400: Estimate £200-£250 (Image)

1840 1d black Mulready cover addressed to Edinburgh, with red MC, creased at top and 1d black Mulready letter addressed to Derbyshire, with red MC: vertical creases. Both of reasonable appearance. Used SG ME1, ME2 £1,100: Estimate £150-£200 (Image)

1840 2d Mulready Lettersheet (Stereo a94) addressed to Piccadilly, neatly cancelled by black MC, reverse bearing London d/s for JA 12 1844, filing creases as nearly always seen, still very attractive late usage. SG ME3, £2400: Estimate £400-£500 (Image)

PARLIAMENTARY: 1840 1d 'Houses of Parliament' printed envelope on greyish laid paper, addressed to George Napier Edinburgh, cancelled by red Paid Crowned ds for 8 AP 1840, signed by William Mackenzie MP for Peeblesshire; cover with crease and tear at top (sensibly reinforced), otherwise a very collectable example of this scarce envelope, with original contents enclosed recommending Napier to the Sherriff-ship of Peebles. SG Spec. PE2a, £8000 The sender, William Mackenzie was Tory MP for Peeblesshire from 1837-47 and famously resigned from Peel's Government in 1846 over the repeal of the Corn Laws. The addressee George Napier served as Sherriff of Peebles from 1840-1883.: Estimate £1000-£1200 (Image)

PARLIAMENTARY: 1840 1d 'House of Commons' printed envelope on greyish wove paper, addressed to George Napier Edinburgh, cancelled by Paid Crowned cds form 7 AP 1840 with arrival mark dated 9 AP on reverse, creasing at top and opening flap, otherwise a collectable example of this scarce Parliamentary envelope. SG Spec. PE9, £3000: Estimate £400-£500 (Image)

PARLIAMENTARY: 1840 1d 'House of Commons' envelope to Ripon, neatly cancelled red 'Paid Crowned circle datestamp for 'AP 9 1840'; horizontal filing folds nevertheless a very presentable example of this rare envelope. PE9: Estimate £1000-£1200 (Image)

1840 William Spooner Mulready Caricatures. A magnificent set of fourteen hand coloured small format envelopes. An almost impossible set to assemble especially in such superb quality.: Estimate £3000-£3500 (Image)