Assertion: pocket watch's case | /r/HasProperty | signed the case
Facets:
Source sentences:
text: The case is signed "Dennison , American Waltham Watch Co" and the case serial number is 191,961.
text: The case is signed "Fortune, Gold Filled, A.W.C.Co, Case Made in Canada".
text: This case is signed "Cashier" and the case serial number is 1,039,540.