Actually you have a few things incorrect with the markings. Hood stars are 20"s and door stars are 14"s, sometimes the 20"s also got stuck on the doors during a motorpool repaint if that was all they had. It was not very common, but will show up sometimes in pics. Hood #'s where 3"s, front bumper #'s are either 4" or 3" depending on the size of the unit markings and what the motorpool had on hand when they added them. Rear bumperettes where usually marked with 1.5" lettering and all other markings, (TP, fuel cautions, batteries, ect.) were done in 1" letters. As for weather to use decals or painted on markings, starting in the early 60's the Army switched over to decals, so most all vehicles had decal markings for items like Hood registration numbers. The stars where also usually applied as decals. The Army stated that there was to be no mixing of the styles. So it was either to be all marked in decals or in paint. Now I'm sure there was some mixing and matching going on even though the Army didn't allow it. The unit bumper numbers can be a mix as they were applied at the unit level, so sometimes matching styles could not be done easily. This is also why you see such variety in those markings. Now once a vehicle went through a rebuild/referbish everything gets thrown out the window for markings because it depends on where it was done. Unit level motorpool repaints usually ended up with a hodgepodge of markings because the units would use whatever was on hand, as to were a depot level reapint was usually remarked correctly as they had greater resources for the repaint and remarking process. If you want to portray a good clean looking truck then I would recomend going with a decal kit compaired to a paint masking kit. You will find the best prices on complete marking kits here: Delta Team Decals
index I've been making decal and paint mask kits for military vehicles since 2004.