H.B.M. diplomatic services, what to the letters stand for ?

[Tampon]

As per the title.

I have a white canvas bag with this printed on the side. The guys father worked all over the world for the country but we can;t figure out what they mean, tried google but nothing,

[eharding]

Tampon said:

As per the title.

I have a white canvas bag with this printed on the side. The guys father worked all over the world for the country but we can;t figure out what they mean, tried google but nothing,

Her/His Britannic Majesty?

or, possibly,

Here Be Marijuana

[TheEnd]

yep, Her Britannic Majesty, and that bag allows the carrier to say "deplomatik immunitay" in a south African accent where ever possible.