Rowland's Calumet Brewing Company, Inc., Chilton
1990- present
 
WI-ROWL-1  3.375 1/0
Plain stock, thick
1992
 
WI-ROWL-2  3.5 1/0
Plain stock, thin
1996 or 1997
 
WI-ROWL-3  3.5 1/0
2000
 
  3.5 1/0 plastic
Steen Borup-Nielsen collection.
Owner Robert Rowland (RIP) recalled producing this coaster in sets of 6 in 1985 or 1986 to reward his dart and pool playing teams at Christmas.  They were not routinely used in the bar (then called The Roll-Inn) and they predate brewing operations by up to 5 years.
 
WI-ROWL-4  3.5 1/2
2008
George Akin collection
 
WI-ROWL-4 reverse
 
WI-ROWL-5  3.5 1/2
2011
 
WI-ROWL-5 reverse