In the motel where Bosch asks the owner to look at pictures, on the wall behind them at the reception desk are clicks with times set to different time zones around the world. There are two inaccurate countries listed underneath the +1 UTC clock which reads 18:43. These are Portugal which is 0 UTC and Cabo Verde which is -1 hour UTC.
When Harry opens the suitcase full of cash, the serial numbers of all the visible bills are the same (SGI8017583Q) and have "For Motion Picture Use Only" visible at the top right of each bill. This is not surprising, though. If you're not paying attention, you're not likely to notice.