Rosa Parks

Just wondering if anyone is having trouble getting Rosa Parks? As I mentioned in a earlier post my local PO would not break a sheet of 20 to sell me a PB of 6. I went to the PO on the AF base and she did not have it. She also told me that the Mt. Clemens (MI) post office has issued instructions not to break the sheet of 20. She told me if she had it she would break it for me though. So I went to Centerline, Warren, and Roseville and none of them had it. May have to do with Rosa spending most of her life here in Detroit. I know I can get it through the Philatelic Office but am stuck with a sheet once more. Just wondering about the demand across the US. Looks like Rosa and Elvis have something in common! I imagine the Press sheets will be a sell out.

I bought a Rosa Parks sheet at my main PO - because they didn't have any of the Emancipation Proclamation ones. I didn't ask about breaking a sheet, though. I'm in central Nebraska, btw.

I have a postally used one on cover so they must be obtainable somewhere?

My local post office had them a few weeks ago and tried to sell me a sheet then.... I'm not sure about now, I haven't been down there since.