Unofficial LEGO Sets/Parts Collectors Guide - The LEGO 12V Electric Trains of the 1980s were very popular among LEGO train collectors. The 1970s 12V trains (starting in 1969) were only sold in
LEGO 7740 - Inter-city train (1980) | Sophie Lenaerts / Cédric Simon | Flickr
Mecabricks.com | LEGO set 7740-1 Inter-City Passenger Train Set