[BrianShaw]

I'm kind of inclined to see if I can get a little bit of a refund and just keep it. This may be cosmic balance for the deal I got on my RB67 + 90mm + 180mm for $200 last year. All working beautifully.

You paid a fair price for today's market. Suggest you either keep it or return it. Trying to renegotiate the deal will ruin your karma.

Sometimes you get a real bargain (as you did with the RB) and other times you pay the price you paid. It's 40+ year old gear after all.