Get The Stone seller by rigbyjeromejerome@gmail.com

summon Villager ~1 ~ ~ {Profession:5,CustomName:"Frank",CustomNameVisible:1,Career:1,CareerLevel:42,CanPickUpLoot:0,PersistenceRequired:1,Invulnerable:1,ActiveEffects:[{Id:"1",Amplifier:0,Duration:2147483647},{Id:"1",Amplifier:0,Duration:2147483647}],Offers:{Recipes:[{buy:{id:"double_stone_slab",Count:20,Damage:3},buyB:{id:"gravel",Count:30},maxUses:20,sell:{id:"iron_ingot",Count:1},rewardExp:false}]}}