I've gone through and (I'm pretty sure) consolidated all the serial numbers posted in this thread to date, through Stan's April 2020 post, because I wanted to udate my previous production estimates. I'll post the new analysis in a new thread. Depite having a fair amount more data, it hasn't changed much, which is a good sign. The new list of serial numbers, by model, is:
E2 5100001 (eBay, Feb 2010 - unconfirmed?)
E2 5100007 (eBay, US, $188.50, March 2010)
E2 5100025 (fm)
E2 5100050 (fm - for sale on eBay Feb 2010)
E2 5100054 (fm 12/2013)
E2 5100055 (eBay, US, Dec 2006)
E2 5200107 (fm)
E2 5200006 (eBay, US, March 2009)
E2 5200067 (eBay, Dec 2005)
E2 5200072 (eBay, US, March 2009)
E2 5200075 (eBay, US, Dec 2006 - bought by fm)
E2 5200079 (fm 6/2014)
E2 5200097 (fm 11/2014)
E2 5300017 (eBay, US, March 2009)
E2 5300020 (eBay, US, Nov 2006)
E2 5300023 (fm)
E2 5300026 (eBay, US, March 08, parts camera, $78.11)
E2 5300053 (fm, purchased camera show Toronto Ontario)
E2 5400006 (eBay, UK, Feb 2006, listed again in Dec 06, bought by fm)
E2 5400062 (eBay, US, Nov 2007)
E2 5400063 (eBay Canada Feb 07)
E2S 5100035 (fm)
E2S 5200007 (fm)
E2S 5200011 (eBay, US, Feb 09, $309 - very nice, incl charger, 2 batteries, sold by Adorama)
E2S 5200020 fm 8/2011
E2S 5200028 (eBay)
E2S 5300023 (fm 12/2013)
E2S 5300024 (fm 12/2013)
E2S 5400001 (fm, bought on eBay, Germany)
E2S 5400007 (fm 6/2014)
E2S 5400040 (Germany)
E2N 6300001 (Westlicht auction, May 2011)
E2N 6300021 (fm 9/2013)
E2N 6300024 (fm)
E2N 6300092 (fm, Jan 2012)
E2N 6300098 (fm 6/2015)
E2N 6400009 (eBay Canada Feb 07)
E2N 6400034 (eBay US June 2008, fm Oct 2010)
E2N 6400045 (eBay, US, March 08, $153.50)
E2N 6400046 (eBay, US, December 2017)
E2N 7100006 (eBay)
E2N 7100021 (fm)
E2N 7100030 (eBay, Canada, Oct 06)
E2N 7100064 (German eBay, Aug 05)
E2N 7100067 (fm, Paris, for sale, Jan 05)
E2N 7100076 (Norwegian collector)
E2N 7100079 (fm)
E2N 7100103 (first seen on web, later listed on eBay, US, Dec 2006)
E2N 7100134 (eBay, US, May 2009)
E2N 7100137 (fm)
E2N 7100153 (eBay, Nov 2011)
E2N 7100079 (me, fm, june 2009)
E2N 7200005 (fm)
E2N 7200031 (eBay, Australia, May 2007)
E2N 7200035 (eBay UK Mar 2007)
E2N 7200036 (ebay, Poland June 2020)
E2N 7200064 (fm 4/2019)
E2N 7200080 (eBay, Canada, Aug 2006)
E2N 7200099 me, may 2009
E2N 7300019 (eBay, US, March 2009)
E2N 7300051 (fm 1/2020)
E2N 7300065 (fm, May 2010)
E2N 7300102 (eBay, US, Nov 2007)
E2N 7300112 (eBay, UK, June 2010)
E2N 7400023 (eBay, Canada, Jan 2008)
E2N 7400029 (eBay)
E2N 7410010 (?)
E2N 7410058 (fm)
E2N 7410073 (eBay US Feb 07)
E2Ns 6400003 (fm)
E2Ns 7100007 (eBay, US, Dec 07)
E2Ns 7200071 (eBay, Hungary, Feb 07)
E3 8200045 (fm, May 2008)
E3 8200066 (fm)
E3 8200067 (eBay)
E3 8300008 (eBay, UK, Oct 2005)
E3 8300022 (eBay, US, May 2006, US $117.79)
E3 8300058 (eBay, US, Nov 2007)
E3 8300090 (eBay) - typo? same unit as below?
E3 8310090 (fm)
E3 8300100 (eBay, US, Feb 2006)
E3 8300104 (fm 12/2013)
E3 8400043 (fm, France)
E3 9100065 (eBay, US, Nov 2007)
E3 9100092 (fm)
E3S 8200046 (fm)
E3S 8300015 (eBay, Paris, France, Feb 2006)
E3S 8300015 (? - this unit was offered again on eBay in Feb 06, see above)
E3S 8300035 (eBay, US, Oct 2008, $400)
E3S 8300036 (Vienna, Austria, Jan 2008)
E3S 8300052 (fm, 350 €/463USD, bought in France)
E3S 8300053 (for sale, unknown source, Feb 2006, update: fm)
E3S 9100012 (new, for sale, Rotterdam Nov 2005)
E3S 9100024 (eBay/fm)
E3S 9100026 (fm 6/2014)
E3S 9100032 (eBay, US, March 2008, $306)
E3S 9200006 (eBay Sept 2005)
E3S 9200015 (eBay July 2008)
E3S 9200020 (august 2011 fm)
DS-505 5100006 (eBay, Feb 2010, USA, $300 BIN)
DS-505 5200022 (eBay/fm)
DS-505 5200023 (fm 12/2013)
DS-505 5200027 (eBay, Jan 2009, US, $227.13)
DS-505 5200040 (added by forum member Whirled One)
DS-505 5200044 (eBay, Jun 2007, NY, $356.00)
DS-505 5200057 (eBay, May 2007, USA)
DS-505 5300012 (eBay, April 2011)
DS-505 5300031 (museum:
http://www.photographie.essonne.fr)
DS-505 5400010 (eBay, May 2009, USA)
DS-505 6100008 (Netherlands, April 2009)
DS-505 6100034 (eBay Jan 2006, USA)
DS-505A 6300020 (eBay, UK, May 2011)
DS-505A 6300029 (fm 12/2013)
DS-505A 6300030 (eBay, US, Oct 2008)
DS-505A 6300031 (eBay, US, Sept 2008, $257)
DS-505A 6400006 (eBay, US, Sept 2008, $244.50, fm Oct 2010)
DS-505A 6400009 (eBay, US, May 2008, fm Oct 2010)
DS-505A 7100005 (fm 12/2013)
DS-505A 7100015 (fm)
DS-505A 7200003 (eBay, US, Nov 2007)
DS-505A 7200004 (eBay)
DS-505A 7200017 (eBay)
DS-505A 7200024 (eBay, US, Feb 2009)
DS-505A 7200026 (fm, Nov 2011)
DS-505A 7300030 (fm 12/2012)
DS-505A 7300049 (fm)
DS-505A 7410017 (fm)
DS-515 5100001 (fm 12/2013)
DS-515 5200014 (eBay, US, May 2007)
DS-515 5200015 (eBay, US, Sept 2008, $209.61)
DS-515 5200015 (fm 12/2013)
DS-515 5200015 (fm 12/2013)
DS-515 5200019 (fm 12/2013)
DS-515 5200028 (eBay, July 2005)
DS-515 5200044 (fm)
DS-515 5300001 (fm 12/2013)
DS-515 5300003 (fm 12/2013)
DS-515 5300016 (fm)
DS-515 5300020 (fm 12/2013)
DS-515 5400012 (added by forum member Whirled One)
DS-515 5400013 (eBay, US, January 2008)
DS-515 5400016 (eBay, October 2005)
DS-515A 7100003 (fm 12/2013)
DS-515A 7100013 (eBay, Nov 2011)
DS-515A 7410005 (eBay, August 2005)
DS-515A 7410003 (eBay, US, Dec 2007)
DS-515A 7410006 (eBay, September 2005)
DS-560 8200092 (fm 3/2015)
DS-560 8400025 (Auction Team Breker/eBay, Germany, Sept 2006)
DS-560 9200037 (KT, North Carolina, purchased new in 1996)
DS-560 9200053 (fm 6/2018)
DS-565 8300019 (France, for sale - 260 euro, March 2009)
DS-565 8300032 (fm)
DS-565 8300031 (eBay)
DS-565 9000012 (fm 4/2020)
DS-565 9100022 (eBay, US, Dec 2014)
DS-565 9100024 (eBay, Texas, July 2006)
DS-565 9200003 (eBay/fm)
DS-565 9200005 (eBay/fm)