I think it an "Authorization Charge". Most of them usually deduct a small amount to check if your card is valid, and everything is fine between them and the Bank. They usually refund it back. See this -
[h=3]Authorizations[/h] Authorizations occur between our billing system and your bank's billing system to ensure that the card is valid and the necessary funds are available in your account before the order is charged. If the order has been cancelled, the pending authorization will not result in a charge.
You may also notice a $1.00 transaction from Google, which is actually a pending authorization request between our billing system and the bank that issued your credit or debit card, so you won't end up paying the extra $1.00.
When you check your bank account or credit card statement, payment authorizations are often listed as pending. These transactions might remain in your account between 1-14 business days, depending on your card-issuing bank. Please keep in mind they are authorization requests only, not actual charges.
However, in a small number of countries, $1 is charged to your account and will be refunded. This refund can take up to 1 month to process. We recommend you contact your bank on the authorization status.
Be advised that these charges may be filed under the name GOOGLE GOOGLE.COM/CH.
Note: Authorization requests are sent each time you update a card. When using a gift card, ensure that there are sufficient funds on it to cover both the authorization as well as the cost of the item being purchased.
Linky: Multiple Charges & Authorizations - Google Play Help
[h=3]Authorizations[/h] Authorizations occur between our billing system and your bank's billing system to ensure that the card is valid and the necessary funds are available in your account before the order is charged. If the order has been cancelled, the pending authorization will not result in a charge.
You may also notice a $1.00 transaction from Google, which is actually a pending authorization request between our billing system and the bank that issued your credit or debit card, so you won't end up paying the extra $1.00.
When you check your bank account or credit card statement, payment authorizations are often listed as pending. These transactions might remain in your account between 1-14 business days, depending on your card-issuing bank. Please keep in mind they are authorization requests only, not actual charges.
However, in a small number of countries, $1 is charged to your account and will be refunded. This refund can take up to 1 month to process. We recommend you contact your bank on the authorization status.
Be advised that these charges may be filed under the name GOOGLE GOOGLE.COM/CH.
Note: Authorization requests are sent each time you update a card. When using a gift card, ensure that there are sufficient funds on it to cover both the authorization as well as the cost of the item being purchased.
Linky: Multiple Charges & Authorizations - Google Play Help