Cowl markings on my L-78 M-22 Indy

[iluv69s]

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: iluv69s</div><div class="ubbcode-body">and after cleaning further in the center....

appears some other numbers below...and apparently numbers uder the very first numbers?? this is where i am lost a bit...

it is probably harder to tell in the pics than in person.. </div></div>

after staring at this for a while I beieve it is not DIY below the W...it is actually b/c..... anyone know is that typical?? seems to make sense.... <span style="font-weight: bold"> </span> w <span style="font-weight: bold"> </span> hite <span style="font-weight: bold"> </span> b <span style="font-weight: bold"> </span> ase <span style="font-weight: bold"> </span> c <span style="font-weight: bold"> </span> oat...I'm still looking for the 'or/str' markings somewhere...(am I fishing here or what?? )haha