'Janice Paull' Website


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A specialist in Mason's & Other English Ironstone C.1790-1850
Exhibiting at eight major antique shows 2008


A Summary of Factory Marks


Mason's, Morley & Ashworth Factories



IRONSTONE CHINA has always held a particular fascination for me. I began researching

during the early 1960's pursuing an interest as a collector and then as a dealer. IRONSTONE

wares are particularly attractive and today avidly sought by collectors on both sides of Atlantic.

Its decorative quality and naive charm are admired by all. Many of the designs and colours

were based on early Imari pieces. Imperfections such as paint runs, handles askew, all add to

the charm. The vast array of patterns and shapes never fail to excite the imagination, the

chance of finding a rare and interesting piece still keeps the collector ever vigilant. Identifying

the factory, Turner, Spode, Davenport, Hicks & Meigh, Stephen Folch, or Ridgway, all

manufacturing Ironstone-type wares in competition with Mason's and in some cases producing

the same pattern. New marks on retailers, colleges, regiments and armorial are constantly

being found and recorded.



Ceramic ware produced between 1842 and 1883 bore a diamond-shaped registry mark.

The date recorded indicated when the design was introduced but not necessarily when the item

was potted, this protection lasted three years.

Index to Year and Month Letters



1842-67

Year Letter at Top

1868-83

Year Letter at Right

A

1845

N

1864

A

1871

L

1882

B

1858

O

1862

C

1870

P

1887

C

1844

P

1851

D

1878

S

1875

D

I852

Q

1866

E

1881

U

1874

E

1855

R

1861

F

1873

V

1876

F

1847

S

1849

H

1869

W

1878

G

1863

T

1867

I

1872

X

1868

H

1843

U

1848

J

1880

Y

1879

I

1846

V

1850

K

1883

J

1854

W

1865

 

 

 

 

K

1857

X

1842

 

 

 

 

L

1856

Y

1853

 

 

 

 

M

1859

Z

1860

 

 

 

 

 

 

 

 

 

 

 

 
               
               

Months (Both Periods)



A

December

K

November & December 1860

B

October

M

June

C or O

January

R

August (and Sept 1-9 1857)

D

September

W

March

E

May

 

 

G

February

 

 

H

April    

I

July    



From 1884 designs were registered by numbers (each starting in January of the year in question)

Rd No 1

1884

19754

1885

40480

1886

64520

1887

90483

1888

116648

1889

141273

1890

163767

1891

185713

1892

205240

1893

224720

1894

246975

1895

268392

1896`

291241

1897

311658

1898

331707

1899

351202

1900

   

'Mason's Patent Ironstone China'


Mason's Factory Marks

Mark 1

Impressed circle 'Patent Ironstone China'
C.1813-20

Mark 2

Impressed in two lines 'Mason's Patent Ironstone China'
C.1813-20

Mark 3

Impressed in one line 'Mason's Patent Ironstone China'
C.1813-20

Mark 4

Transfer printed crown with banner (colour washed with the last paint colour of the day) also showing a round impressed circle mark
C.1813 - 1820

Mark 5

Transfer printed blue or black with banner, note the
large spaces between letters
C.1815-30

Mark 6

Printed name of each view, within a beaded border, this mark is on William Mason blue and white ware sometimes with a clobbered border
C.1820

Mark 7

Red enamel script C.1820-25 [Rare]
only found on Mason's porcelain bodies
C.1815-20

Mark 8

Transfer printed in blue C.1820-30
Mason's Siamese Jardinere [Rare]

Mark 9

Transfer printed in blue C.1820-30
Patent Yacht Club finger Bowl and Crown [Unusual]

Mark 8

Transfer printed found mostly on jugs
C.1825-40

Mark 9

Transfer printed crown, above crown 'British Lakes' below 'New Stone China, Derwentwater,C.J.M & Co.' on blue and white transfer ware C.1830-

Mark 10

Transfer printed black crown with banner,
note the change in the crown shape.
C.1825-

Mark 11

Transfer printed black crown with
raised dias impressed 'TOHO' mark
C.1825-40

Mark 12

Transfer printed black crown
note the change in crown shape to angular
C.1830-48

Mark 13

Transfer printed in black,usually on large pieces
C.1830-48

Mark 15

Transfer printed 'Royal Terra Cotta Porcelain'
with Lion insert, usually on jugs
C.1840-

Mark 16

Transfer printed in blue, inside scroll 'F.M.Morley'and pattern name 'Vista'
C.1845-56

Mark 17 Transfer printed in blue usually with the name 'Morley & Ashworth' and 'Imperial Stone' mark
C.1855-62

Mark 18 Transfer printed in puce 'A.Bros, Real Ironstone China'
on the right impressed Ashworth

C.1862-

Mark 19 Transfer printed crown and bannerwith pattern number
'C.1617' and the impressed '14' this mark would be
1914, the word ENGLAND was introduced after 1891

Mark 20 Transfer printed crown and banner, England and pattern number 'C.4230', C.1935-36 with the pattern name 'Nabob'


This mark is after 1920.
'MADE IN ENGLAND' introduced after 1923

Mark 21 Transfer printed crown and banner, England and pattern name 'Vista'& GUARANTEED PERMANENT & ACID RESISTING COLOURS'

This mark is after 1940

Mark 22 Transfer printed crown and banner, Made in England, pattern name 'Fruit Basket' & PERMANENT DETERGENT PROOF DECORATION

This mark is after 1950


'Morley' & 'Ashworth'


Pattern Numbering



C.1845-1856 Francis Morley

Series of Numerals Used 1-9999


C.1855-1862 F.Morley & Co. and Ashworth & Morley


Fractional Marks Used - 2/1000 - 2/5715, 3/? - 3/3628, 4/? - 4/624




1862 G.L.Ashworth & Sons


From C.1872 the 'B' (orange script numerials) series used

B 2379

B.2633

B 2890

B 3129

B 3382

B 3560

B 3756

B3994

B 4630
1872

1873

1874

1875

1876

1877

1878

1879

1880
B5353

B 5659

B 5985

B 6341

B 6630

B 6864

B 7234

B7515

B 7702
1881

1882

1883

1884

1885

1886

1887

1888

1889
B 7876

B 8021

B 8162

B 8222

B 8418

B 8581

B 8665

B 8790

B 8981
1890

1891

1892

1893

1894

1895

1986

1987

1898





From C.1900 the 'C'(orange script numerals) series used




C 1

C 1304

C 1760

C 2000

C 3000
1900

1903

1915

1920

1930
C 4000

C 4500

C 4700

C 4800

C 4900
1935

1936

1940

1946

1979

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