Matched Pair Of 20th Century Double Transfers

I haven't been working on my revenue collection for a while, so it's time to get back into things again...

U.S. Scott R249 (red numerals) and R249a (orange numerals) both with a double transfer throughout. Not incredibly rare, but considerably more scarce than the Scott catalog values imply ($62.50 vs $50 for the normal stamp).

I picked up the orange numerals example about 5 months ago and found the red numerals example on ebay 2 weeks ago. This is an area where cherrypicking is still lucrative, both online and offline.

Apologies for the ginormous images, but there are a lot of doubled details throughout. Third image below is a non-double-transfer example for comparison.

The DT is always the bottom stamp of the strips of four, and they are found on all the various overprints as well. This is a "twisted transfer" type of DT. My control numbers are 43504 and 9760.