Tower Doors to Roof, Mysterious Old Handmade Copper Key Fob with Blackened Yale Keys plaid with many mediums using methods

with many mediums using methods of swallowing and regurgitating cheesecloth

the "Broomfield" scrawled at the bottom I believe refers to the location of the drawing- a hamlet in Wiltshire

I purchased this one for the "HOW TO TALK" handwritten on the inside cover--that alone did it for me

) and all the better hearts that double as arrows

Tower Doors to Roof, Mysterious Old Handmade Copper Key Fob with Blackened Yale Keys plaid with many mediums using methodsSeems perhaps the tower with doors #12&13 to roof which these keys opened went up in flames; the face of this fob was clearly cleaned since, but the the back of it and the keys themselves are completely blackened. Which lends added drama to visions of tower doors! I haven't been able to nail down the G. W Co. in question, but the manner of the type, and of the fob itself, and the Yale & Towne keys on it, say c. early 20th century to me. Found in