I just got this in the mail today, a piece of siding off ET&WNC caboose # 505. It was removed as part of the restoration effort at the Avery County museum in Newland, NC and sent to me by the gentleman who restored the caboose:
I swear I was cackling to myself with joy from the mailbox once I realized what was inside the envelope!
And here's my own model of this caboose, made from a Deerfield River Laser kit, sitting atop part of the real thing:
I also got a piece of siding off boxcar 434 recently. Yes, they're going on the wall of the layout room!