Russian Translation-Help Please

[Kilroy Was Here]

Hi, can someone please translate what the stamps say?

Is this a WW2 era stamping??

Also, What is the meaning of the "499" ? is this a factory stamp or????.......

Thank you for any help or information.

Regards, Steve

[Dimas]

Leningrad, below word is unreconizible. The 499 is a depot markings

[Kilroy Was Here]

Leningrad, below word is unreconizible. The 499 is a depot markings

Hi Dimas, thank you. Do you think the stampings look to be WW2 era vintage??

Regards, Steve

[Komandir RKKA]

I think - Leningrad-marksist.
Holster?

[Dimas]

I think - Leningrad-marksist.
Holster?

Agree with Azad