Looking for info on hallmarks

[DreamerDetectoristNI]

Hi im new on here and I found this while metal detecting in Northern Ireland and I believe it is part of a pipe. I've enjoyed researching and reading up about pipes, its bringing up fond memories of my granda and id love some more information if possible?
Thank you

 

[ssjones]

Yes, it is the silver collar for a GBD pipe, a popular British brand. The symbol on the far right denotes the year, but the symbol looks degraded, so that might not be possible. If you could gently clean it with a silver cloth, that might make it more legible.