Motorcycle
Probably 1992, small size
Picture from eBay

Not sure if this is a letter O or a 0.
April 1992, large size
Collection of the author

For a long time, motorcycle plates used to be about a half inch larger on both ends than the standard 4x7 size. Why this was the case, I have no idea.
May 1997, small size
Collection fo the author


At some unknown point, VT switched to the North American standard size of 4x7 inches.
April 2006, small size
Photographed in use


Vermont is currently (mid-2008) in the H series for motorcycles.
Undated, small size
Collection of the author

Motorcycle vanity plates are pretty uncommon in Vermont, but they're out there.
Undated, large size
Picture from eBay

Here's one of those $15 samples I'll probably never buy.
May 2007, large size, new style sticker
Collection of the author

These are not easy to find but the best way to see one is to just go to a motorcycle dealer.