The top pair has a crease. These were produced by Perkin Bacon as business samples. With a normal stamp.
Bloxham CategoriesPenny Blacks
1840 2d BLUE
Mulready's
Rainbow Trials and DPs
1841 Penny Reds
1841 2d BLUE
Penny Stars
2d stars
1/2d Bantam Plates
1d Red Plate Numbers SG 43
1 1/2d Plates SG51
SG45 2d Plates
Embossed Issues SG 54-61
Dollis Hill Wilding Trials
Commems
GB Overprinted
Surface Printed
Other QV
KEVII
KGV
KEVIII
KGVI
QEII
Wildings
Wilding Coils
Machins
Decimal Booklets
Smilers Sheets
Guernsey & Alderney
Jersey
Isle of Man
M/Sheets
Northern Ireland
Scotland
Wales
Officials
Postal History
Telegraph & Fiscals
Circular delivery
Postage Dues
Misc Products
Foreign
Prestige Books
Regionals England
Signed Artwork
1840 2d BLUE
Mulready's
Rainbow Trials and DPs
1841 Penny Reds
1841 2d BLUE
Penny Stars
2d stars
1/2d Bantam Plates
1d Red Plate Numbers SG 43
1 1/2d Plates SG51
SG45 2d Plates
Embossed Issues SG 54-61
Dollis Hill Wilding Trials
Commems
GB Overprinted
Surface Printed
Other QV
KEVII
KGV
KEVIII
KGVI
QEII
Wildings
Wilding Coils
Machins
Decimal Booklets
Smilers Sheets
Guernsey & Alderney
Jersey
Isle of Man
M/Sheets
Northern Ireland
Scotland
Wales
Officials
Postal History
Telegraph & Fiscals
Circular delivery
Postage Dues
Misc Products
Foreign
Prestige Books
Regionals England
Signed Artwork
