A real Iacopini Super racer for children, no eyelets on the dropouts, serial number, Nisi rims, Vittoria tubes, drilled brake levers, derailleurs, ... The firm is located in Pontedera nearby Pisa in Italy and still activ.

Minestrini, an Italian brand until 1960. The bike is from the '50ies, has Gnutti components and a Manubri Schierano Torino stem. 
(Thanks to Marco)

Norta, a Belgian brand of bicycles, roots in Olen, with a passion for quality during more than 90 years over three generations. This children's race bike is presumably from the '60 ies.

Vintage Gazelle AB road bicycle with Reynolds 531 tubes

Vintage Diamant road bicycle with Campagnolo Gran Sport

Vintage Gazelle Champion Mondial AB road bicycle 

Vintage Gazelle Champion Mondial AB road bicycle
 Columbus 531 steel from 1979

Vintage steel road bicycle Plum Vainqueur from 1976

Plum, a humble bike shop based in Ghent, Belgium, has a great name in cycling and it can look back on a history of over a hundred years.
The shop started in 1910 as "PDS", which referred to its founder's name - Pol Desnerck. A few years later, Pol changed the name to La Plume, French for feather

Vintage Vitus 979 aluminium road bicycle

Vitus originated in the 1930s in Saint-Étienne, France (like many bicycle brands). It began as a manufacturer of high-quality steel tubing and started building aluminum frames in the 1970s (Vitus 979). Acquired and revived in 2008/2009 by the online bicycle shop Chain Reaction Cycles (Northern Ireland).

The bicycles are now designed and developed in Northern Ireland (Belfast), with production taking place in Asia. Moment of the story: Vitus is originally a French brand, now Northern Irish/British owned.