Hotel room tag Pen Mar Md.

[labradoodle of pa]

I found this years ago when you were aloud to Detect around Pen Mar park it is a room key tag from the old Grouts Hotel built in 1916

 

[Mackaydon]

Here's a pic of the hotel around or just after your date:
http://cgi.ebay.com.sg/ws/eBayISAPI.dll?ViewItem&item=150296651823