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Step 1
See if the antique mandolin has a serial number and company name on it. Check the soundhole and the headstock. Print or paint may be worn away with time, so see if any faint impressions remain.
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Step 2
Google the word "mandolin" and as much of the serial number and company name you have. See if information on the model comes up, including the year of manufacture.
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Step 3
Go to the "Blue Book of Mandolins" Web site. Click on the manufacturer's name for a list and see if there is information about the year of your mandolin's manufacture.
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Step 4
Take note of your vintage mandolin's body shape, whether it's the usual lute form or different, whether it has a bowl back or flat back and how large it is.
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Step 5
Count the number of ribs your antique mandolin has if it's a bowl back.
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Step 6
Identify the types of woods used for your antique mandolin's top, back, fretboard and headstock.
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Step 7
Check aesthetic features like the shape of the pickguard, the tailpiece cover and inlays or ornaments.
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Step 8
Search online for information on when the particular features of your mandolin came into use.
