Shown here is an original Schrader tire pressure gauge for the Model A Ford. This is a genuine Ford authorized accessory, part number A-18413-A2. The original price was $1.50 each including the leather cover.
Schrader made many similar tire gauges, but this is the official Ford authorized accessory and has the Ford script in oval, and also has a special indication of the recommended 35 psi pressure for the Model A. Don't leave home without one!