This is the one I've been recommending, but looks to be very similar to the one you posted.
Antique Electronic Supply
https://www.tubesandmore.com/search/node/P-H471
P-H471 $19.95 (no LED)
P-H471-LED $20.95
Footswitch (PED802), Marshall replacement, Two Button with LED
Replacement Footswitch for Marshall Amps. Two Button. Light-Up LED. ¼" Plug.
Generic version of Marshall PED802 (P-H875)Compatible with: Valvestate VS100R and others
Note: LED must receive power externally from the amp (i.e. no battery inside).