Ad: This forum contains affiliate links to products on Amazon and eBay. More information in Terms and rules
I didn't have any 8" numbers and letters so I had to use the NOVO ones. They have yellowed a lot but I am hoping several coats of varnish will tone them down.
View attachment 639073
You could try minimizing the impact by overpainting the clear sections with the base fuselage colour. You have to use a very fine brush and be careful not to overpaint the letter/numerals...but it would hide the yellowed decal carrier film.
You could put the decal on the sunlight for some of time. The yellowish tone of the clear background would disappear.
You do know I live in Britain dont you it could take years of precious sunlight
I have had the model on the window sill for about 90 minutes and already I can see a difference between the sunshine side and the unlit side. Great tipYou could put the decal on the sunlight for some of time. The yellowish tone of the clear background would disappear.