I'm referring to this graph where the English BG catalog from the last century shows that these are actually 32 mm and 40 mm; not 31 mm and 41 mm (my sobmission error). These are sold.
I'm referring to this graph where the English BG catalog from the last century shows that these are actually 32 mm and 40 mm; not 31 mm and 41 mm (my sobmission error).
