Pre 1950s rides of LFGSS: old bikes, vintage rats, classic lightweights

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user48602

Frame number question: anyone know what marque used the prefix AK plus 4 digits? In this case the reference no is AK1520, situated underneath the bottom bracket.

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Jonny69 in reply to @user48602

Sun used a 2-letter followed by 4-number convention, but an A prefix would make it around 1933-1934

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user48602 in reply to @Jonny69

Thanks - looks younger though, possibly having later braze-ons. The number on the (A&P) steerer tube matches. Is the shape of the forks and crown a Sun characteristic?

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