Here’s the link I left off my post above
3 watt flicker bulb incandescent
https://www.homedepot.com/p/Sylvania-3-Watt-B10-Incandescent-Light-Bulb-10529/303754981
3 watt is not even as much as a traditional incandescent nightlight bulb (4w). But probably similar to candlelight, which is the point.
That looks exactly like the flicker bulb in my faux ‘Early American’ candlestick lamp; except that mine is amber.