"Thanks. There was a problem with the postage ... " (more), as you did not pay enough. Best is to just let the post office weigh and charge the correct amount of postage. Just thought you'd want to know."
"Thanks. The pin was actually made as a repro ... " (more)duction in 1970 and not in 1940 as you said in your description of it. But it's still nice to have. FDR was one of our greatest leaders ever. I'll mention the postage problem in a feedback on the other item I won from you."