|  Paper Type | 
Weave Direction | 
Ribbed? | 
Stout/Soft | 
Mesh Visible? | 
Opacity | 
Gum | 
| CBN-A | 
Horizontal | 
Yes - clear vertical ribbing visible on both the wire and felt sides | 
Stout, felt side is semi-porous | 
Yes, visible as ribbing | 
Translucent | 
Smooth brownish yellow with a satin gloss sheen | 
| CBN-B | 
Horizontal | 
No | 
Soft, felt side is semi-porous. Colour is white | 
Yes, visible without backlight and runs horizontally | 
Translucent | 
Cream coloured, smooth appearance with satin sheen, but very fine diagonal crazing is visible under magnification | 
| CBN-C | 
Horizontal | 
Yes - clear vertical ribbing visible on both the wire and felt sides | 
Stout, felt side is semi-porous and colour is yellowish cream | 
Yes, visible as ribbing | 
Translucent | 
Smooth brownish yellow with a satin gloss sheen | 
| CBN-D | 
Horizontal | 
No | 
Stout, felt side is semi-porous and colour is white | 
Not without backlighting, which shows vertical mesh | 
Opaque | 
Deep yellow semi-gloss sheen, with a mottled appearance. | 
| CBN-E | 
Horizontal | 
No | 
Soft, felt side is semi-porous and colour is white | 
No visible mesh | 
Very slightly translucent, but almost opaque | 
Not sure as yet, as the only example I have is used | 
| CBN-F | 
Horizontal | 
No | 
As above but colour is cream | 
As above | 
As above | 
As above | 
| CBN-G | 
Horizontal | 
No | 
Soft - felt side is semi-porous and colour is white | 
No visible mesh | 
Translucent | 
Not sure as yet, as the only example I have is used | 
| CBN-H | 
Horizontal | 
No | 
Soft - felt side is semi-porous, colour is cream | 
very coarse horizontal mesh that is highly visible | 
Opaque | 
Not sure as yet, as the only example I have is used | 
| CBN-I | 
Horizontal | 
No | 
Stout - felt side is semi-porous, colour is cream | 
No visible mesh | 
Opaque | 
Not sure as yet, as the only example I have is used | 
| CBN-J | 
Horizontal | 
No | 
Soft - felt side is semi-porous, colour is cream | 
Yes, visible without backlight and runs horizontally | 
Translucent | 
Not sure as yet, as the only example I have is used | 
| CBN-K | 
Vertical | 
No | 
Stout, felt side is smooth and non-porous, and colour is white | 
Only visible as horizontal mesh with backlighting | 
Opaque | 
Yellowish cream semi-gloss | 
| CBN-L | 
Vertical | 
Yes, on back only | 
Stout, felt side is smooth and non-porous, and colour is white | 
Visible without backlighting as horizontal mesh that resembles ribbing, but is not clearly visible as such until the gum is removed, when it is clear | 
Very slightly translucent, but almost opaque | 
Deep yellow semi-gloss | 
| CBN-M | 
Vertical | 
No | 
As above | 
As above | 
As above | 
Yellowish cream semi-gloss as type CBN-K | 
| CBN-N | 
Vertical  | 
No | 
Stout and crisp, with a smooth, non-porous felt side | 
Highly visible vertical mesh, visible without backlighting | 
Translucent | 
Light cream, almost white, semi-gloss | 
| CBN-O | 
Vertical | 
No | 
Stout and crisp, with a smooth, non-porous felt side | 
Not visible without backlighting, when so lit, fine vertical mesh is visible | 
Translucent | 
Yellowish cream semi-gloss, that shows diagonal crazing under magnification | 
| CBN-P | 
Vertical | 
No | 
Stout, with smooth, non-porous felt side | 
Vertical mesh, just visible without backlighting | 
Opaque | 
Not sure as yet, as the only example I have is used | 
| CBN-Q | 
Vertical | 
No | 
Stout, with smooth, non-porous felt side | 
No visible mesh | 
Opaque | 
Not sure as yet, as the only example I have is used |