I have Drake R-4 type xtals for sale. All prices include shipping. If interested please e-mail me direct. All for $50 or as marked. Tnx--Doug 20.1 = 9.0 to 9.5 = $11 20.6 = 9.5 to 10.0 =$11 26.0 = 15.0 to 15.5 = $11 37.8 = 26.5 to 27.0 = $5 38.1 = 27.0 to 27.5 =$5 38.6 = 27.5 to 28.0 =$5 40.6 = 29.5 to 30.0 =$11