Thread:KansasJ/@comment-31524231-20170504094900

The numeral "4" used until 1998 must look like the logo here:

http://vignette1.wikia.nocookie.net/logopedia/images/5/5b/Telec80b.jpg/revision/latest?cb=20130303015335

The curved "4" did not debut until the acquisition by Repretel. 