3388/3373 is a small comma in the 2.7.11.3373 JI subgroup. It is a very high-limit approximation to the marvel comma, separated from it by an unnoticable comma.

Interval information
Ratio 3388/3373
Subgroup monzo 2.7.11.3373 [2 1 2 -1
Size in cents 7.681868¢
Name(s) missing ? 
FJS name [math]\displaystyle{ \text{d1}^{7,11,11}_{3373} }[/math]
Special properties reduced
Tenney height (log2 nd) 23.446
Weil height (log2 max(n, d)) 23.4524
Wilson height (sopfr(nd)) 3406
Comma size small
Open this interval in xen-calc