Looking for a source of replacement reefer roof hatch doors.

[bfskinner]

It might help to have the product/stock number of the car. Try here, if you have not already done so:

http://www.brasseurelectrictrains.com/

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[Ohman]

When putting away some of my Kline 0 Scale reefer cars at the club layout, I noticed an roof hatch door missing from one of the cars.  I looked all over but could have lost it anywhere in transit, loading or unloading.  Does anyone know of a source of replacement roof hatch doors?  I have looked at swap meets to no avail.  Thanks in advance for any help you can provide.