Not only did 148 get the Class W wrap, so did 166, seen here at the Flinders Street Station terminus on Elizabeth Street in early December 2018 - usually "Merry Christmas" lettering decorates the Station frontage in December.
Picture ref B4754
 
A better view of 166 in January, again on the 57 on Elizabeth Street.
Picture ref A7894
 
Weaving through South Melbourne on route 12 three days later was Class A 242 with the same wrap featuring the Class W.
Picture ref A7984
 
A second view of 242 that day.
Picture ref A7985
 
Joining the fun that month in Balaclava was rewrapped Combino 3502.