This is the 1st list of lowest s/n calcs. Sure you have calcs in your drawers that can beat these, so send your e-mails !
better layout at http://hpcalc.multimania.com/hp_serial_number_database_page.htm
LongName MinDeSN
HP 10B 3519S00513
HP 10C - Voyager Series 2239A05283
HP 12C - Voyager Series 2629A08624
HP 15C - Voyager Series 2417A87427
HP 18C 2705A05407
HP 19BII 3410S00959
HP 21 (Woodstock series) 1506A77030
HP 25 (without continuous Memory) 1604S18806
HP 28C 2731A02207
HP 28S 2830A22164
HP 29C (Woodstock series) 1602A11713
HP 32SII 3246S16928
HP 33C 1945A21554
HP 33E 1851S33566
HP 34C 1950S31302
HP 41CV Fullnut 2208S42754
HP 41CV Halfnut 2548S21246
HP 41CX Fullnut 2507S43122
HP 42S 3024B81284
HP 48S 3120S01004
HP 48SX 3108S01939
HP 49G ID93300081
HP 65 1333A08105
HP 67 1709A01792
HP 95 LX Small Dos Palmtop with integrated 123 ABA3210A00347