In the May 1972 Word Ways, readers were invited to supply Albert Wilansky of Bethlehem, Pennsylvania with V-W homophonic pairs as illustrated by the 1953 Burma-Shave advertisement above. The following more-or-less definitive list has been compiled by Stefan and Besty Burr, Murray Pearce and Mary Youngquist.
"If Vicious Ver Horses ...,"
Word Ways: Vol. 5
, Article 15.
Available at: http://digitalcommons.butler.edu/wordways/vol5/iss3/15