Antique Pool/Billiard/Brunswick JM Brunswick & Balke Co Bentwood Triangle, Patented June 15th, c1880. JM Brunswick & Balke Co c1880 bentwood triangle made of quarter-sawn oak in original condition. Very hard to find museum billiard piece. Being sold in as is good used condition. Buyer pays packing and S&I cost of .00. eBay & PayPal Fees Cost Us 15%. Once it's gone! it's gone. Rare Piece! Priced to sell!!