By the stem reads K 18 12 DC its a corvette rally. Thanks Jim

Merry Christmas!!

Here's the 2 that I have:
DC(BIG) 15X6 B-3 1/2 67 Corvette, No other stampings on rim
DC 15X6 B-3 1/2 68-70 Passenger car, 67 Passenger car (early models)

K18 is Kelsey Hayes plant #1 (Romulus, MI) 1968 January 2
where:
K = Kelsey-Hayes
1 = Romulus, MI wheel plant
y = calendar year
m = month
dd = day
aa = application code

Thanks!