Hello John,
Truly and excellent addition to your collection John.
Nice photos as usual and I have been meaning to say I love your cabinet work skills and the restoration to some of your Matchbox display cases.
You will enjoy going through these as you catalogue them.
I always like seeing models like the 18c and 18c with original tracks, these look nice, testament to the quality of rubber components after over 55 years.
When you come to the 73a RAF Refueller can you show us an image or 2 of this variation please.
Looking forward to hearing more about these and it looks like more cabinets are needed, a 2018 project perhaps

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Merry Christmas
Bert