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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: AH
Letter Register Numbers
From - To		 Machine Class
(Model No.)		 Quantity Allotted Date Allotted Year Allotted Notes
AH 000001 028370 15 28370 April 4 1947
AH 028371 031370 31 3000 April 4 1947
AH 031371 034370 95 3000 April 4 1947
AH 034371 049370 201 15000 April 4 1947
AH 049371 049870 246 500 April 4 1947
AH 049871 050370 247 500 April 4 1947
AH 050371 070370 221-1 20000 April 22 1947
AH 070371 080370 99 10000 April 30 1947
AH 080371 080870 44 500 May 9 1947
AH 080871 095870 66 15000 May 9 1947
AH 095871 096170 176 300 May 15 1947
AH 096171 096470 114 300 June 11 1947
AH 096471 096970 147 500 June 11 1947
AH 096971 111970 241 15000 June 11 1947
AH 111971 131970 221-1 20000 June 26 1947
AH 131971 166970 15 35000 July 10 1947
AH 166971 167470 17 500 July 10 1947
AH 167471 177470 128 10000 July10 1947
AH 177471 177770 146 300 July 10 1947
AH 177771 192770 201 15000 July 10 1947
AH 192771 193270 242 500 July10 1947
AH 193271 193770 68 500 Aug 13 1947
AH 193771 223770 221-1 30000 Aug 19 1947
AH 223771 224270 246 500 Aug 25 1947
AH 224271 249270 66 25000 Aug 25 1947
AH 249271 249770 69 500 Sept 2 1947
AH 249771 250070 7 300 Sept 19 1947
AH 250071 250570 24 500 Sept 19 1947
AH 250571 285570 15 35000 Sept 25 1947
AH 285571 288570 31 3000 Sept 25 1947
AH 288571 289070 114 500 Sept 25 1947
AH 289071 289570 231 500 Sept 25 1947
AH 289571 289870 32 300 Sept 26 1947
AH 289871 290370 17 500 Oct 27 1947
AH 290371 315370 66 25000 Oct 27 1947
AH 315371 315570 124 200 Oct 27 1947
AH 315571 316070 175 500 Oct 27 1947
AH 316071 346070 221-1 30000 Oct 28 1947
AH 346071 346570 52 500 Nov 20 1947
AH 346571 347570 246 1000 Nov 20 1947
AH 347571 362570 241 1500 Nov 24 1947
AH 362571 363070 242 500 Nov 24 1947
AH 363071 363570 78 500 Dec 10 1947
AH 363571 378570 201 15000 Dec 19 1947
AH 378571 413570 15 35000 Jan 5 1948
AH 413571 443570 221-1 30000 Jan 22 1948
AH 443571 453570 128 10000 Feb 2 1948
AH 453571 454570 246 1000 Feb 2 1948
AH 454571 479570 66 25000 Feb 10 1948
AH 479571 480070 17 500 Feb 12 1948
AH 480071 480370 176 300 Feb 12 1948
AH 480371 480870 231 500 Feb 12 1948
AH 480871 480920 6 50 Feb 20 1948
AH 480921 481420 81 500 Feb 20 1948
AH 481421 482420 175 1000 Feb 27 1948
AH 482421 497420 201 15000 Feb 27 1948
AH 497421 497920 242 500 Feb 27 1948
AH 497921 512920 241 15000 Mar 8 1948
AH 512921 547920 15 35000 April 1 1948
AH 547921 550920 95 3000 April 1 1948
AH 550921 580920 221-1 30000 April 20 1948
AH 580921 581420 147 500 April 21 1948
AH 581421 581920 247 500 April 22 1948
AH 581921 606920 66 25000 April 29 1948
AH 606921 621920 128 15000 April 29 1948
AH 621921 622220 171 300 April 30 1948
AH 622221 637220 201 15000 May 20 1948
AH 637221 637720 69 500 May 28 1948
AH 637721 638220 242 500 May 28 1948
AH 638221 639220 246 1000 May 28 1948
AH 639221 639720 114 500 June 7 1948
AH 639721 640220 231 500 June 7 1948
AH 640221 640320 11 100 June 17 1948
AH 640321 670320 221-1 30000 June 18 1948
AH 670321 705320 15 35000 June 21 1948
AH 705321 705820 17 500 July 12 1948
AH 705821 706320 18 500 July 12 1948
AH 706321 706620 176 300 July 12 1948
AH 706621 721620 241 15000 July 12 1948
AH 721621 722120 68 500 July 26 1948
AH 722121 722620 147 500 July 26 1948
AH 722621 723620 175 1000 July 26 1948
AH 723621 724120 231 500 July 26 1948
AH 724121 724620 242 500 July 26 1948
AH 724621 725620 175 1000 Aug 10 1948
AH 725621 726120 242 500 Aug 17 1948
AH 726121 727120 147 1000 Aug 18 1948
AH 727121 762120 66 35000 Aug 26 1948
AH 762121 763120 246 1000 Aug 26 1948
AH 763121 798120 15 35000 Sept 20 1948
AH 798121 798620 17 500 Sept 20 1948
AH 798621 799120 114 500 Sept 20 1948
AH 799121 829120 221-1 30000 Oct 1 1948
AH 829121 844120 201 15000 Oct 7 1948
AH 844121 845120 246 1000 Oct 7 1948
AH 845121 845620 24 500 Oct 21 1948
AH 845621 846120 32 500 Oct 26 1948
AH 846121 846620 253 500 Nov 1 1948
AH 846621 846920 149 300 Nov 4 1948
AH 846921 847920 246 1000 Nov 4 1948
AH 847921 848420 81 500 Nov 18 1948
AH 848421 849420 242 1000 Nov 18 1948
AH 849421 884420 66 35000 Nov 26 1948
AH 884421 934420 15 50000 Nov 29 1948
AH 934421 934920 69 500 Nov 29 1948
AH 934921 935920 231 1000 Nov 29 1948
AH 935921 950920 241 15000 Nov 29 1948
AH 950921 951920 24 1000 Dec 2 1948
AH 951921 966920 201 15000 Dec 6 1948
AH 966921 971920 245 5000 Dec 6 1948
AH 971921 973920 246 2000 Dec 6 1948
AH 973921 999999 221 26079 Dec 9 1948

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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