If your coin has a significantly repunched VICTORIA, compare it to the photos below.  If you find a match, click the die name link above the photo to go that die's home page to check for other markers and confirm the identification.
Obverse 23
Picture
Obverse 23 (Rev E )
Obverse 64a
Picture
Obverse 64a
Obverse 36a
Picture
Obverse 36a (Rev E, H )
Obverse 74
Picture
Obverse 74 (Rev P )
Obverse 41
Picture
Obverse 41 (Rev E,I )
Obverse 46
Picture
Obverse 46 (Rev G )