Want to give closure here ... The countertop came off using a wood block and a framing hammer ... not ONE nail or screw holding it in place. Just a thin bead of wood glue. The cast iron sink was a drop in so it should have been easy but the rim clips were attached before the countertop was dropped in place.
Should have taken pics ... but I used a 2x4 across the topside and #12 electrical wire through the sink drains to suspend the sink. Cut the sink loose then lifted it and the outer rim away from the old countertop.
This guy did a funny job ...
New countertop went in "per plan" after that and the upscale composite sink plus touch-control faucet was installed. Client is delighted.