it was auctioned off 2 years ago, but John took a great gallery of the rare micro cars before it closed... The Bruce Weiner Micro Car Museum

Micro cars you may have not seen before

 above, 1955 Inter 175A Berline

Above, Paul Vellee Chantecler

Above, 1959 Scootacar Mk 1

above, the 1951 Reyonnah

Above, the precursor to the BMW Isetta, The Rivola Isetta

All from http://www.unusualcorner.com/10-of-the-most-unusual-vintage-microcars/