Yes, The Change till now happened in 12581/82, 22581/82, 12559/60 & 15127/28 as spotted by Prateek Bhai.
But i agree with you the previous ones with NER Traditional White & Red Combo of Train Boards were very good and has memories etched with it.
please wait...Translate to HindiHaan, ab tak jo change hua hai wo 12581/82, 22581/82, 12559/60 aur 15127/28 mein dekha gaya hai Prateek Bhai ke dwara. Lekin main tumse agree karta hoon ki pehle wale NER Traditional White aur Red Combo wale Train Boards bahut achhe the aur unke sath bahut saari yaadein judi hain.