babs

I've only been learning the trumpet for three weeks now, and I'm loving it, so picked up an old trumpet for A$400 in second hand shop today. I'd love to find out more about it, as it looks pretty old and has lots of character.
It's a Henri Selmer Paris - but that's all i know.
The markings on the lead pipe near mouthpiece are BS 99 2601 HT
The markings on the first valve is 19
second valve 20, with 64720
third valve 21

Are any of these numbers the serial number?

If anyone can let me know anything about this trumpet.. the year etc, I'd greatly appreciate it.

It's in pretty good condition, as far as I can tell.
I've taken some pics of it, but haven't had time to attach them yet.

Thanks