Unidentified airline badge (c.1970s)

Postage is extra.

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For sale is a vintage unidentified airline badge. If anyone can identify which airline it represents, I'd be grateful to hear from you.

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DESCRIPTION:
Size: about 1 7/16" x 7/16" (37mm x 11mm).
Material(s): diecast metal alloy (?) with 2 enamels.
Finish: gilt.
Fitting: pin.
Imprint: MAKER BUTLER 48 VITTORIA ST BIRMINGHAM
Approximate age: 1970s to around mid-1980s.

CONDITION:
Excellent condition. No damage. Pin in working order.
Please see photograph(s), these form part of the description.

POSTAGE:
* Postal costs are extra, additional to the Asking Price
* I always get a proof-of-posting certificate.
* I combine postal costs for multiple items when these are paid for and posted the same time.

RETURNS:
* Return accepted if the item(s) is returned in same condition it left me, then the full Agreed Asking Price will be refunded. Postal costs are not refundable.
* Buyer pays the return postal costs - unless agreed otherwise.

B.18