unusual door interior pattern

[David_Hayward (RIP)]

3844338206 ENGINE # PR3,978,466 ORDER C.D.L.V. 2571 JUNE 13 1944
3844438220 ENGINE # PR3,978,595 ORDER C.D.L.V. 2571 JUNE 13 1944
3844438249 ENGINE # PR3,978,589 ORDER C.D.L.V. 2571 JUNE 13 1944
3844438262 ORDER C.D.L.V. 2571 JUNE 13 1944
3844438269 ENGINE # PR3,978,636 ORDER C.D.L.V .2571 JUNE 13 1944
3844438273 ENGINE # PR3,978,477 ORDER C.L.V. 2571 JUNE 13 1944 [WIRE-5]

These could both be CDLV 2572:

3844438115 ENGINE # PR3,978,697 ORDER C.D.L.V. 2572 JUNE 12 1944
3844438177 ENGINE # PR3,978,481 JUNE 12 1944