A PDF link to Dennis Adler's article about Italian Black Powder Proof marks is given below.
http://www.powderhombre.com/mbpproofmarks.pdf
You must have Adobe or similar software to read pdf files.
It is available on the web from Adobe as a free download.
An additional listing showing old codes and codes newer than the reference link information:
I = 1945, II =46, III = 47, IV = 48, V = 49, VI = 50, VII = 51, VIII = 52, IX = 53, X = 54, XI = 55, XII = 56, XIII = 57, XIV = 58, XV = 59, XVI = 60, XVII = 61, XVIII = 62, XIX = 63, XX =64, XXI = 65, XXII = 66, XXIII = 67, XXIV = 68, XXV = 69, XXVI = 70, XVII = 71, XXVII - 72, XXIX = 73, XXX = 74, AA = 75, AB = 76, AC = 77, AD =78, AE = 79, AF =80, AH = 81, AI = 82, AL = 83, AM = 84, AN = 85, AP = 85, AS = 87, AT = 88, AU = 89, AZ = 90, BA = 91, BB = 92, BC = 93, BD = 94, BF = 95, BH = 96, BI = 97, BL = 98, BM = 99, BN = 2000, BP = O1, BS =02, BT = 03, BU = 04, BZ = 05, CA = 06, CB = 07, CC =08, CD = 09, CF = 10, CH = 11, CJ = 12, CM 13, CN = 14, CP =15 CS=16, CT=17, CU=18, and CZ=19
Spanish Date Codes
Weapons made in Spain have to go through proofing tests at the Banco Oficial de Pruebas de Eibar. From 1927 to 1994 they had to bear a date code made of a single capital letter or a capital letter and a numeral (in the Spanish alphabet CH and LL are single letters).
A new code has been in use since 1995:
The first 2 numerals are the code of the arms maker, the second group indicates the kind of firearm, the third group which have 3 or 4 numerals is the serial number in the year, and the last 2 numerals are for the year of making.
Under the "kind of firearm" listings, 12 = blunderbuss, 13 = muzzle loader, 14 = musket, 16 = arquebus,
http://www.powderhombre.com/mbpproofmarks.pdf
You must have Adobe or similar software to read pdf files.
It is available on the web from Adobe as a free download.
An additional listing showing old codes and codes newer than the reference link information:
I = 1945, II =46, III = 47, IV = 48, V = 49, VI = 50, VII = 51, VIII = 52, IX = 53, X = 54, XI = 55, XII = 56, XIII = 57, XIV = 58, XV = 59, XVI = 60, XVII = 61, XVIII = 62, XIX = 63, XX =64, XXI = 65, XXII = 66, XXIII = 67, XXIV = 68, XXV = 69, XXVI = 70, XVII = 71, XXVII - 72, XXIX = 73, XXX = 74, AA = 75, AB = 76, AC = 77, AD =78, AE = 79, AF =80, AH = 81, AI = 82, AL = 83, AM = 84, AN = 85, AP = 85, AS = 87, AT = 88, AU = 89, AZ = 90, BA = 91, BB = 92, BC = 93, BD = 94, BF = 95, BH = 96, BI = 97, BL = 98, BM = 99, BN = 2000, BP = O1, BS =02, BT = 03, BU = 04, BZ = 05, CA = 06, CB = 07, CC =08, CD = 09, CF = 10, CH = 11, CJ = 12, CM 13, CN = 14, CP =15 CS=16, CT=17, CU=18, and CZ=19
Spanish Date Codes
Weapons made in Spain have to go through proofing tests at the Banco Oficial de Pruebas de Eibar. From 1927 to 1994 they had to bear a date code made of a single capital letter or a capital letter and a numeral (in the Spanish alphabet CH and LL are single letters).
A new code has been in use since 1995:
The first 2 numerals are the code of the arms maker, the second group indicates the kind of firearm, the third group which have 3 or 4 numerals is the serial number in the year, and the last 2 numerals are for the year of making.
Under the "kind of firearm" listings, 12 = blunderbuss, 13 = muzzle loader, 14 = musket, 16 = arquebus,
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