Magazine Identification ?????

[UF-28]

I have two Magazines that i would like help in identifing. They both fit my 1918 military DWM Police repurposing P08. any information would be greatly appreciated,Thanks

1) wood base just has the capital letter H on it No other markings. Whats the H mean? and its use? and time frame of service .

2) wood base has a serial #705 with a #2 on top and a sunburst over I beleve is a B. I also have a matching second magazine #705 with a # 1 and a sunburst over B . Is it a sunburst over B and what does it mean ? time frame used Police?

Thanks Guys for all help
RJ