From 1950 to 1954 it was available in the following Master Units:
1950: MT-2 (dealer box), HU-6, RU-2, SU-4
1951: CU-7, CU-9, HU-6, RU-2, SU-4
1952: BA-7, HU-7, RA-6, RU-3, YA-9
1953: BA-7, HU-7, MU-1, RA-6, RU-3, YA-9
1954: The last catalog reference was for the CU-1 Country Unit.
The maple tree came in only the one color of BRIGHT (Kelly) GREEN. It is often found with either the stem that mounts into the trunk or the trunk broken where this stem mounts. Many times this piece has been glued together to repair these faults. There are no replacement parts available.