1150 means it was made on the 150th day of 1981. Don't let the dirt deter you, that can be cleaned. The dents are a different story. They should have disclosed that for sure. You might try for some of your money back. Sometimes that is easier than reshipping.
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2018 Breezer Greenway
2011 Raleigh International
'73 World Voyageurs -
Proud owner of all three colors made! Orange, Blue , Yellow .