Split from the original offer thread:
https://www.vintage-radio.net/forum/...d.php?t=159096
It's the same as an Atalanta except for the labelling. The ones on ships all seem to have been 2207C, with the bandspread scale pre-printed with the marine bands.
I assume this scale was supplied blank for the customer to mark up to their own requirements - it just has the lines, no numbers.