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International Sewing Machine Collectors' Society

The purpose of the International Sewing Machine Collectors' Society is to foster the collecting of, and research into, sewing machines.

Singer Sewing Machine Serial Number Database

Serial Numbers Beginning with: AC
Letter Register Numbers
From - To		 Machine Class
(Model No.)		 Quantity Allotted Date Allotted Year Allotted Notes
AC- 000001 050000 66 50000 February 1 1928
AC- 050001 065000 99 15000 February 1 1928
AC- 065001 065500 17 500 February 8 1928
AC- 065501 065550 85 50 February 8 1928
AC- 065551 065750 92 200 February 11 1928
AC- 065751 070750 101 5000 February 29 1928
AC- 070751 071050 147 300 February 29 1928
AC- 071051 071250 149 200 February 29 1928
AC- 071251 072250 32 1000 March 7 1928
AC- 072251 072450 62 200 March 7 1928
AC- 072451 072750 114 300 March 15 1928
AC- 072751 073050 148 300 March 15 1928
AC- 073051 074050 44 1000 March 20 1928
AC- 074051 074065 6 15 March 20 1928
AC- 074066 084065 127 10000 April 5 1928
AC- 084066 099065 99 15000 April 10 1928
AC- 099066 134065 15 35000 April 18 1928
AC- 134066 134165 51 100 April 18 1928
AC- 134166 136165 96 2000 April 18 1928
AC- 136166 136365 105 200 April 18 1928
AC- 136366 136565 7 200 April 25 1928
AC- 136566 137565 81 1000 May 7 1928
AC- 137566 138065 112 500 May 7 1928
AC- 138066 139065 147 1000 May 16 1928
AC- 139066 142065 31 3000 May 22 1928
AC- 142066 177065 66 35000 May 22 1928
AC- 177066 177565 69 500 May 22 1928
AC- 177566 178565 78 1000 June 1 1928
AC- 178566 179565 32 1000 June 6 1928
AC- 179566 182565 95 3000 June 6 1928
AC- 182566 187565 101 5000 June 19 1928
AC- 187566 202565 127 15000 June 19 1928
AC- 202566 217565 99 15000 June 26 1928
AC- 217566 217765 109 200 June 29 1928
AC- 217766 218265 17 500 July 3 1928
AC- 218266 220265 18 2000 July 3 1928
AC- 220266 220465 62 200 July 3 1928
AC- 220466 220665 7 200 July 25 1928
AC- 220666 255665 15 35000 July 25 1928
AC- 255666 290665 66 35000 July 31 1928
AC- 290666 292165 44 1500 August 8 1928
AC- 292166 293165 32 1000 August 21 1928
AC- 293166 294165 81 1000 August 21 1928
AC- 294166 294365 149 200 August 21 1928
AC- 294366 294865 17 500 September 5 1928
AC- 294866 297865 95 3000 September 5 1928
AC- 297866 298065 105 200 September 5 1928
AC- 298066 298365 114 300 September 5 1928
AC- 298366 299365 24 1000 September 11 1928
AC- 299366 299865 69 500 September 20 1928
AC- 299866 314865 127 15000 September 20 1928
AC- 314866 329865 99 15000 September 21 1928
AC- 329866 332865 31 3000 September 24 1928
AC- 332866 333865 78 1000 September 24 1928
AC- 333866 338865 101 5000 September 24 1928
AC- 338866 339365 112 500 September 24 1928
AC- 339366 339565 92 200 October 4 1928
AC- 339566 341565 18 2000 October 11 1928
AC- 341566 376565 66 35000 October 11 1928
AC- 376566 377565 24 1000 October 16 1928
AC- 377566 412565 15 35000 October 17 1928
AC- 412566 412580 6 15 October 17 1928
AC- 412581 414580 96 2000 October 30 1928
AC- 414581 414680 106 100 October 30 1928
AC- 414681 415680 81 1000 November 10 1928
AC- 415681 416680 147 1000 November 10 1928
AC- 416681 416980 42 300 November 21 1928
AC- 416981 417080 19 100 November 28 1928
AC- 417081 417280 85 200 November 28 1928
AC- 417281 420280 95 3000 November 28 1928
AC- 420281 435280 99 15000 November 28 1928
AC- 435281 435380 117 100 November 28 1928
AC- 435381 440380 101 5000 December 19 1928
AC- 440381 455380 127 15000 December 19 1928
AC- 455381 455880 17 500 January 9 1929
AC- 455881 458880 31 3000 January 9 1929
AC- 458881 493880 66 35000 January 9 1929
AC- 493881 494380 112 500 January 9 1929
AC- 494381 494430 11 50 January 29 1929
AC- 494431 495430 32 1000 February 20 1929
AC- 495431 505430 101 10000 February 20 1929
AC- 505431 505630 119 200 February 20 1929
AC- 505631 506130 69 500 February 27 1929
AC- 506131 521130 99 15000 February 27 1929
AC- 521131 521630 52 500 March 6 1929
AC- 521631 522130 68 500 March 6 1929
AC- 522131 537130 127 15000 March 6 1929
AC- 537131 537180 57 50 March 8 1929
AC- 537181 537280 7 100 March 20 1929
AC- 537281 562280 15 25000 March 20 1929
AC- 562281 597280 66 35000 March 20 1929
AC- 597281 600280 95 3000 March 20 1929
AC- 600281 602280 96 2000 March 20 1929
AC- 602281 602780 17 500 April 2 1929
AC- 602781 605780 31 3000 April 2 1929
AC- 605781 606780 81 1000 April 2 1929
AC- 606781 606930 19 150 April 9 1929
AC- 606931 607030 117 100 April 18 1929
AC- 607031 607530 112 500 April 24 1929
AC- 607531 622530 128 15000 April 24 1929
AC- 622531 622830 148 300 April 24 1929
AC- 622831 632830 101 10000 May 8 1929
AC- 632831 632930 125 100 May 8 1929
AC- 632931 633030 156 100 May 15 1929
AC- 633031 668030 66 35000 May 22 1929
AC- 668031 683030 99 15000 May 22 1929
AC- 683031 683230 7 200 June 6 1929
AC- 683231 683330 124 100 June 6 1929
AC- 683331 684330 147 1000 June 6 1929
AC- 684331 684430 51 100 June 17 1929
AC- 684431 684455 6 25 June 19 1929
AC- 684456 684505 11 50 June 19 1929
AC- 684506 685505 81 1000 June 19 1929
AC- 685506 710505 15 25000 June 26 1929
AC- 710506 711505 18 1000 June 26 1929
AC- 711506 714505 31 3000 June 26 1929
AC- 714506 714515 8 10 July 10 1929
AC- 714516 714665 19 150 July 16 1929
AC- 714666 717665 95 3000 July 16 1929
AC- 717666 717965 114 300 July 16 1929
AC- 717966 732965 128 15000 July 26 1929
AC- 732966 767965 66 35000 August 2 1929
AC- 767966 777965 101 10000 August 2 1929
AC- 777966 778165 149 200 August 9 1929
AC- 778166 778265 56 100 August 16 1929
AC- 778266 778765 17 500 August 21 1929
AC- 778766 781765 31 3000 August 21 1929
AC- 781766 782765 32 1000 August 21 1929
AC- 782766 782915 63 150 August 21 1929
AC- 782916 792915 99 10000 August 21 1929
AC- 792916 793915 18 1000 September 18 1929
AC- 793916 795915 96 2000 September 18 1929
AC- 795916 796115 7 200 September 24 1929
AC- 796116 821115 15 25000 September 24 1929
AC- 821116 821615 55 500 September 24 1929
AC- 821616 821815 92 200 September 24 1929
AC- 821816 822015 106 200 September 24 1929
AC- 822016 822115 107 100 September 25 1929
AC- 822116 822615 69 500 September 30 1929
AC- 822616 823615 81 1000 October 9 1929
AC- 823616 823915 114 300 October 9 1929
AC- 823916 824115 117 200 October 9 1929
AC- 824116 824615 17 500 October 23 1929
AC- 824616 825615 24 1000 October 23 1929
AC- 825616 835615 101 10000 October 23 1929
AC- 835616 850615 127 15000 October 23 1929
AC- 850616 850665 6 50 November 1 1929
AC- 850666 851665 32 1000 November 9 1929
AC- 851666 886665 66 35000 November 9 1929
AC- 886666 887165 68 500 November 9 1929
AC- 887166 890165 31 3000 November 18 1929
AC- 890166 893165 95 3000 November 18 1929
AC- 893166 903165 99 10000 November 18 1929
AC- 903166 904165 18 1000 December 11 1929
AC- 904166 904665 69 500 December 11 1929
AC- 904666 907665 96 3000 December 11 1929
AC- 907666 907690 122 25 December 18 1929
AC- 907691 910690 31 3000 January 9 1930
AC- 910691 911690 81 1000 January 9 1930
AC- 911691 946690 15 35000 January 14 1930
AC- 946691 947690 16 1000 January 14 1930
AC- 947691 948190 17 500 January 14 1930
AC- 948191 951190 95 3000 January 14 1930
AC- 951191 961190 101 10000 January 14 1930
AC- 961191 976190 127 15000 January 14 1930
AC- 976191 976390 146 200 January 14 1930
AC- 976391 999999 66 23609 January 28 1930

ISMACS is an organization totally independent of all sewing-machine manufacturers, past or present and is not affiliated with any of the companies mentioned in these pages.  Please Note: Do not contact any ISMACS official in an attempt to solicit a valuation - it is not possible other than by hands-on assessment and your request will be ignored.

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