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Phosphor Band's

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Kim Tomlinson30/06/2019 08:43:37
23 forum posts
2 photos

Phosphor Band's

I am just getting back into my collection after a few decades, I purchased a UV torch from flea bay to look at the Phosphor bands etc. It seems to work dimly on some but not at all on some I know have bands! I used to have another lamp back in the day but lost it, As I remember it used to make the band's pop out.

Is it my memory playing tricks or have the bands faded with age

Fred Sellars30/06/2019 09:18:31
399 forum posts
145 photos

Hi Kim,

I note your dilemma, however you do not seem to have stated from which country I can only presume that they are British ,what period of time are they ? , it may be that you have the wrong type of black light as a long wave UV lamp will not show the phosphor on British Wilding stamps, you will need a short wave version.

Hope that this info will assist you.

Edited By Fred Sellars on 30/06/2019 09:32:12

Kim Tomlinson30/06/2019 09:49:41
23 forum posts
2 photos

Yes they are British I am collecting stamps up to 2000,

Kim Tomlinson20/10/2019 11:36:02
23 forum posts
2 photos

I have a 1/2D Machin I hold it to the light and it has two bands.

I have a £3 uv torch from ebay and it shows nothing up!

I have a £25 uv lamp from a dealer and it shows nothing up!

I am sure that years ago I had a lamp and the Phosphor bands glowed quite bright.

What's going on?

Fred Sellars20/10/2019 13:03:12
399 forum posts
145 photos

Hi Kim,

I remember in your original posting of 30/6/19 you stated the same problem .

There was a rumour some years ago that the phosphor bands overprinted on stamps could deteriorate over time, whether or not this is true is another matter .

Perhaps someone with further knowledge on this subject may have an answer !

The ½d Machin that you mention, is it a used or mint copy, you do not state it's condition ?

Regards,Fred .

Kim Tomlinson20/10/2019 14:20:32
23 forum posts
2 photos

The stamp was mint, but same happens on used too

M C STRATHDEE16/12/2019 18:07:45
14 forum posts
2 photos

**LINK**

desklamp bulb works well ... but match voltage in your area.

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