See the Fiat Abarth on roof, Also on my car the scorpion is inside front and on some photos scorpion is on a flat front nose.
On rear bonnet some photos are with a scorpione (small) and other not
For the OTR Berlinetta, I believe the front nose emblem is most likely the large Abarth shield with tri-color horizontal stripes on top & a Series 2 type scorpion in the center, the same emblem which was often used on the "specialty-version" Abarth 1-liter cars based on the Fiat 850 platform, like the OTR Coupe, OTS Coupe & 1300/124 Coupe. Unfortunately, I don't think I have any photos of the OTR Berlinetta that show the nose of the car clearly enough to be 100% sure about this, though.

I have
1 photo of the show-car that
does show a large Abarth scorpion shield emblem on the nose, & it is obvious that the original round indentation in the nose (where the original Fiat emblem was normally mounted) has been smoothed over (hammered flat or filled in with body putty) & painted before the Abarth shield was mounted (see photo below). The rear engine lid would likely also have this same large emblem, as well as the chromed "1-0-0-0" script emblem (same script as used on the OT1000 Spider). I
think there is also the chromed "OTR" script emblem mounted below this, but not 100% sure. The photo below (light blue car) shows what I'm talking about, though the large Abarth shield shown may not be correct (should maybe have tri-color striped top, not solid blue?).
On the OT1000 Spider (not OTR1000 Berlinetta), I have seen 2-3 different emblems used on the nose & engine lid in various photos. There was either the round checkerboard with Abarth shield in the center (fitted inside the normal indented Fiat emblem area), or the round "Campione Del Mondo" wreath with either a small- or medium-sized Abarth shield on top (seen fitted inside the normal indented area, or fitted on top of a flat/filled-in area there). I believe this "CDM" emblem is the same emblem as seen on the roof side panels of the OTR Berlinetta (above the individual "FIAT ABARTH" chromed letters), though I can't tell from my blurry photos which of the 2 styles it actually is.
In real life, on all of the OT1000 Spiders I've either owned (4) or come across (7) here
in the USA, the round checkerboard-type emblem is what was found (as original) on the nose & engine lid. I don't think this checkerboard emblem was used on the OTR-Berlinetta, as it seems to have been developed a little later in the production of the OT Spider cars, a short while
after the OTR-B cars were supposedly produced.
Can you help me with the blue metallic from DB ?
I have a few 1950's paint chip sample pages for Fiat cars, but they do not tell me exactly which specific models they were used on. There were several different blues to choose from, very few were metallic, though. I'll see if I can find anything close in color or year. For the Abarth 750 cars, I don't think I have any metallics shown, only regular solid colors. I've been waiting to hear back from a friend as to whether his old paint sample/code books show any detailed info on this, but so far I have not heard back from him.
After some thought, it dawned on me that another possible source may be one of my own cars. My Viotti 600 was repainted in a similar-looking metallic blue color by a previous owner, & the last owner (before me) was nice enough to include a small can of this paint with the car when I bought it. The paint is a very old original
Fiat paint color, & the paint name & code number are written on the can! I'll stop by later today at the garage where I have my cars/parts stored & find the paint can & info for you. I'm not sure it's the exact color that you're after, but you can probably have a sample made using the paint code, & then decide for yourself. At least it's a start!
