Machin Decimal Single Stamps
 Phosphor Coated Paper 
(PCP1-PCP2/DEX)
11½p 12p 12½p 13p 13½p
 14p 15p 15½p 16p 16½p
17p 17½p 18p 19p

19½p 
20p 20½p 22p 23p 25p
26p 28p 29p 31p 34p

11p

Ref Description Source Price
P110   11p PCP1 cyl 4  0.50

11½p

Ref Description Source Price
P115 11½p PCP cyl 1 0.50
P115a 2mm uncoated central band cyl 1 5.00
P115b  11½p PCP1 cyl 1  0.40

12p 

Ref Description Source Price
P120  12p PCP poor uv reaction  cyl 2  1.00
P120a  PCP1  cyl 2  0.40
P120b   sage green  cyl 6 1.00
P120c  ex pane 10  £1.20 DP39  0.50
P120d  ex coil  vert coil  1.00
P121  12p PCP2  cyl 2/6  0.80
P121a  bright yellow green cyl 2  1.25
P121b  very deep green (late print)  cyl 2  1.00

12½p

Ref Description Source Price
P125 12½p PCP+CB  cyl 2  4.75

13p

Ref Description Source Price
P130  13p PCP olive cyl 3  0.45
P130a  13p PCP1  cyl 3  0.50

13½p

Ref Description Source Price
P131 13½p PCP1 cyl 1  0.55

14p

Ref Description Source Price
P140  14p PCP1   cyl 1 0.40
P140a  chambon ex pane 10 £1.40 DP47  2.00
P140b FBO pale grey blue  £1.40 DP47  1.20
P140c  FBO deep grey blue  £1.40 DP47  1.50
P141  14p PCP2  cyl 1  0.40
P141a  low value  £1.40 DP47  0.60
P141b  patchy face - inking fault  £1.40 DP47  1.25
P141c  phantom 4mm band  £1.40 DP47  1.00
P141d ex coil  vert coil  1.25

15p 

Ref Description Source Price
P150  15p PCP  cyl 1  0.60
P150a 1  15p PCP cyl 1-2  0.45
P151 15p PCP2  cyl 2  0.40
P151a  first printing - deep ultra  cyl 1  1.25

15½p

Ref Description Source Price
P155  15½p PCP1 kampf  cyl 3  0.50
P155a  APS perf  cyl 3  0.80
P155d  T2 thick value  £1.55 DP54  0.50
P155e  T2 ex coil  vert coil  1.50
P155h   15½p PCP1 FBO cyl 3  13.00
P156   15½p PCP2  cyl 3 0.40
P156a  APS perf  cyl 3  45.00
P156b  T2 thick value - deep violet  £1.55 DP54  2.50
P156c  T2 thick value - pale violet   £1.55 DP54 2.75

16p

Ref Description Source Price
P160  16p PCP1  £1.60 DP62  0.60
P160  very deep brown  £1.60 Bibury  1.00
P160a  ex coil  vert coil  1.50
P160b  16p PCP1 with 'D' on gum  £1.45 DP62D  0.60

16½p

Ref Description Source Price
P165 16½p PCP1 kampf  cyl 3  0.70
P165a  APS perf  cyl 3  2.50
P166  16½p PCP2   cyl 3 3.50

17p

Ref Description Source Price
P170   17p PCP1 green cyl 4  0.55
P170a  FBO  cyl 4  1.00
P171  17p PCP2 green  cyl 4  2.50
P172  17p PCP1 blue  cyl 7  0.60
P172a  ex pane 10  £1.70 DP69  0.60
P172aa  translucent paper  £1.70 DP69  1.25
P172b  ex coil vert coil  0.85
P172bt  ex coil translucent paper vert coil 2.50
P172c  ex pane 6  £1 DP91  1.00
P172f  17p PCP1 with 'D' on gum  £1.55 DP69D  0.80
P173 17p PCP+2B  50p DP82D  60.00
P173a  short bands at top S16  50p DP82D  120.00

17½p

Ref Description Source Price
P175 1 17½p PCP  cyl 1 0.60
P176 17½p PCP2 pale chestnut cyl 1 1.50
P176a deeper chestnut cyl 1 1.20

18p

Ref Description Source Price
P180  18p PCP1 violet kampf  cyl 1  0.55
P180a  APS perf  cyl 1  7.00
P181  18p PCP2 violet  cyl 1  0.55
P182  18p PCP1 green  £1.80 DP92  0.70
P182a  ex coil  vert coil  2.00
P183  18p PCP2 green  £1.80 DP92  2.50

19p

Ref Description Source Price
P190   19p PCP1 orange T2 Window  1.00
P190a  ex sheet APS perf  cyl 2  1.00

19½p 

Ref Description Source Price
P195 19½p PCP1 kampf  cyl 2  1.25
P195a  APS perf  cyl 2  4.50

20p

Ref Description Source Price
P200 20p PCP1 purple cyl 4 0.65
P200a PCP poor uv reaction cyl 4  1.00
P201 20p PCP2 cyl 4 0.70
P202 20p black PCP1 (low OBA)  cyl 12 1.50
P202a screened value cyl 12 15.00

20½p 

Ref Description Source Price
P205  20½p PCP1 APS  cyl 1  .90

22p

Ref Description Source Price
P220 22p PCP1 blue  cyl 3-4  .60
P220a  thin base to 22  cyl 3  3.00
P220b  ribbed coating  cyl 3  2.00
P220c  mottled ink in background  cyl3  1.25
P221  22p PCP2  cyl 3  .60
P221a  thin base to 22  cyl 3  4.75
P222  22p PCP1 (low OBA) orange  cyl 10/11  2.50

23p 

Ref Description Source Price
P230  23p PCP1 red APS  cyl 1  1.00

25p

Ref Description Source Price
P250  25p PCP1 APS  cyl 2  1.50
P250a  kampf perf  cyl 2  95.00
P251  25p PCP2 kampf  cyl 2  .70

26p

Ref Description Source Price
P260  26p PCP1 kampf  cyl 2  .70
P260a  APS perf  cyl 2  .80
P260ep  perf 15 x compound  p14/15 or p15/14  pair 35.00
P261  26p PCP2 APS perf  cyl 2  27.50

28p 

Ref Description Source Price
P280  28p PCP1 violet  cyl 1  .80

29p 

Ref Description Source Price
P290  29p PCP1 brown cyl 1  2.00
P291   PCP2 deep brown cyl 1  4.50

31p

Ref Description Source Price
P310  31p PCP1 purple  cyl 2  1.10

34p 

Ref Description Source Price
P340  34p PCP1 brown cyl 1 1.00