[Mr70]

Your tach was issued as an accessory 1st in 1967 for same vehicles.
I think the one on ebay is actually the same as yours,being an #099,not a #716.
The #716 replaced it during late 1968 for '69.
I believe the grain on the case is the difference between the two.One smooth '67,the other is pebble '68-69.