I do like the oddities - are they "Easter Eggs" or just an error??
This is the Sierra one I mentioned at the start with the reversed photo and I have both so can confirm its true. reversed normal
Then there is this version of DOTT which is missing the house on the hill. Stood side by side everything else seems in proportion so don't know why it isn't there. no house house
Interestingly, the triangular box has no house on the front panel, but wraps around seamlessly to portray it on the next side.