48 - Mid 20th Century Mexican Sterling Silver Oval Tray. Signed with Maker's Mark M.R.R., Sterling, .925 and Mexico. Surface Scratches Otherwise Good Condition. Measures 12-1/2 Inches Long and 6-1/4 Inches Wide. Silver Weight 11.07 Troy Ounces. Shipping $36.00 (estimate $250-$350)