Remove the salt from the corned beef - rinse under cold running water before placing in pot or zip-lock bag - cover with fresh water and let sit overnight in the fridge.Combine coriander seeds and peppercorns in grinder (or mortar and pestle if you are old school) and rough grind/crush - set asideRemove de-salted corned beef from water, rinse, pat dry and season with coriander/pepper seasonings. Press the seasonings into all sides.Place seasoned meat into pre-heated smoker (or oven) set to between 235°F and 250° and cook until internal temperature is about 175°F - 180°F.Remove and place in pressure cooker with ½ cup water and 1 Tbsp of Worcestershire sauce, bring to steam and let steam for about 5-8 minutes. Remove from heat and allow to cool. You're shooting for a target internal temperature of 200°F.Let meat rest and slice thinly for sandwiches.