Why the quantity of this coin has increased rapidly?

(Not my coin)

Andronicus II Palaeologus with Michael IX. 1282-1328. AR Basilikon (2.00g, 22mm).

Constantinople mint. Struck 1304-20 (or later).

Obv.: Christ Pantokrator enthroned facing; sigla: • | •

Rev.: Andronicus II and Michael IX standing facing, holding ornate labarum set on bifurcated base between them. DOC 517-24; SB 2402. Toned VF.



I'm annoyed by something!:

When I started for many years such coins (almost?) never appeared. But in the last 3-4 years such coins have been on auctions in large quantity and constantly. Correct me if I'm wrong.

It almost feels like a big hoard was found in earth and thus such coins became common.

Do any of you know why availability of the aforementioned coin has increased massively the last years?

Discovering of a hoard full of Basilikons?


In any case: Can you also provide other examples, where new hoards made rare coins very common?

Thanks.

 

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The big Levant hoard of Athenian tetradrachms and the influx of Alexander the Great Dekadrachms from Gaza are two examples I'm aware of.

See this thread: https://www.cointalk.com/threads/‘w...-treasures-safe-at-home.407589/#post-24703841

 

I noticed the same thing...

 

My area is not Byzantine, but rather Roman Provincials, and the market for provincials has seen a sea change in recent years. It appear the on-line auction platforms (biddr, sixbid, etc.) have allowed a new business model in which it is economical to sell large quantities of lower-grade coins. For me, this has had real benefit as many rare (some previously unknown) types have been made available. Could it be you're seeing more of the type you point to simply because these budget-rate auctions are doing an end run around dealers show-trays?