Except for #2 I'd need both sides to pin them down, the the reverses shown are very common. (The images should be rotated counterclockwise.)
#2 looks like Hartill 22.82, S 1413, FD 2242, KM#301. Krause values it as $5 in XF (2008 book).
#2 looks like Hartill 22.82, S 1413, FD 2242, KM#301. Krause values it as $5 in XF (2008 book).