西暦は昭和＋25年です（例、昭和45年→西暦1970年）

'34-37 Square Corners OUTSIDE 3 or 4  BARREL & INSIDE 4 BARREL

'38-41 Round Corners "1941" ORIGINAL

'42-45 World War II BLACK CRACKLE

'46-47 Nickel Silver / '48-49 3 Barrel

'49-51 / '51-53 Steel PAT.2032695

'53 Steel / '54-55  FULL STAMP

Sterling Silver & 10K Gold Filled / '49-85 Canadian

'55 / '56 / '57 / '58 / '59

'60 / '61 / '62 / '63 / '64 / '65 / '66 / '67 / '68 / '69

'70 / '71 / '72 / '73 / '74 / '75 / '76 / '77 / '78 / '79

'80 / '81 / '82 / '83 / '84 / '85-86

TABLE LIGHTERS

'39-41 1st Barcroft

'47-49 2nd Barcroft / '49-'53 3rd Barcroft

'49-'54 Lady Bradford / '60-66 Corinthian Moderne

'54-'79 4th Barcroft / '79-01 Handilite

'57- ROSEART / TIFFANY & CO.

SLIM MODELS

'56-57 / '58 / '59　　               '62-78 Canadian

'60 / '61 / '62 / '63 / '64 / '65 / '66 / '67 / '68 / '69

'70 / '71 / '72 / '73 / '74 / '75 / '76 / '77 / '78 / '79

'80 / '81 / '82 / '83 / '84 / '85-86