“Went through the slot of my law office, not my house,” Dad clarified.

Did it have a message inside?” ” Gabriel persisted.

Dad shook his head.

“Nothing else was in it.”

I looked again at the words, ruffling through my mind.

“A blue ledger,” I said, thinking.

My husband’s family kept physical paper record books?”

“Many older corporate companies still keep physical books,” Gabriel explained.