If it had a title, it has a vin plate installed by a LEO and records on file. You should be able to request a record search showing the ownership matches the BOS and year of mfg to determine if the transfer requirements are met with a BOS.
Provide a link to your references that determined what you can do and the FL Code about replica's needing MCO.
Generally, I don't need to provide a receipt to sell or trade something but I can obtain a receipt to buy it back.
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Miata UBJ: ES-2074R('70s maz pickup)
Ford IFS
viewtopic.php?f=5&t=13225&p=134742Simple Spring select
viewtopic.php?f=5&t=11815LxWxHt
360LA 442E: 134.5x46x15
Lotus7:115x39x7.25
Tiger Avon:114x40x13.3-12.6
Champion/Book:114x42x11
Gibbs/Haynes:122x42x14
VoDou:113x44x14
McSorley 442:122x46x14
Collins 241:127x46x12